Texas Instruments TI-73 manual

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7300ENG.DOC TI-73: Table of Contents, English Julie Hewlett Revised: 05/04/98 4:48 PM Printed: 05/19/99 8:58 AM Page iii of 4 Table of Contents Table of Contents Chapter 1: Operating the TI N 73 1 Preparing to Use Your TI N 73 ......................................... 3 The Home Screen ........................................................... 5 E[...]

iv TI N 73 Table of Contents 7300ENG.DOC TI-73: Table of Contents, English Julie Hewlett Revised: 05/04/98 4:48 PM Printed: 05/19/99 8:58 AM Page iv of 4 Chapter 6: Statistical Plots 107 Steps for Defining a Stat Plot ................................... 108 Defining Statistical Data in Lists ............................... 109 Deselecting Y n Funct[...]

TI N 73 Table of Contents v 7300ENG.DOC TI-73: Table of Contents, English Julie Hewlett Revised: 05/04/98 4:48 PM Printed: 05/19/99 8:58 AM Page v of 4 Chapter 11: Trigonometry 209 The - u TRIG Menu ........................................... 210 Graphing Trig Functions ............................................ 214 The - u ANGLE Menu ...........[...]

vi TI-73 Table of Contents $Toc.doc TI-73: Table of Contents Bob Fedorisko Revised: 06/09/03 1:15 PM Printed: 06/10/03 8:24 AM Page vi of 5 Appendix B: Reference Information 319 The TI N 73 Menu Map ................................................ 320 The VARS Menu - } ....................................... 329 Equation Operating System (EOS é ) [...]

7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 1 of 24 Operating the Operating the TI TI N 73 73 Preparing to Use Your TI N 73................................................. 3 Installing the AAA Batteries ........................................... 3 Turning the TI N 73 On and [...]

2 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 2 of 24 Mode Settings ..................................................................... 22 Numeric Notation Mode .............................................. 23 Decimal Notation Mode .........[...]

Chapter 1: Operating the TI N 73 3 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 3 of 24 Preparing to Use Your TI N 73 Before using your TI N 73, you must install the batteries, turn on the calculator, and adjust the contrast. You may reset (clear) the calculator memory and defa[...]

4 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 4 of 24 Adjusting the Display Contrast Adjusting the Display Contrast The brightness and contrast of the display can depend on room lighting, battery freshness, and viewing angle. To adjust the cont[...]

Chapter 1: Operating the TI N 73 5 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 5 of 24 5. Select 2:Reset . 2 All memory is cleared, and the calculator is reset to the factory settings. When you reset the TI N 73, the display contrast is reset. To adjust the contrast, follow th[...]

6 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 6 of 24 If all lines of the display are full, text scrolls off the top of the display. The TI N 73 stores the previous entries as memory permits. See the section entitled, Retrieving Previous Ent[...]

Chapter 1: Operating the TI N 73 7 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 7 of 24 Entering a Number in Scientific Notation Entering a Number in Scientific Notation - { Using - { , you can enter a number in scientific notation. The notation used to display the result of a [...]

8 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 8 of 24 In all guidebook examples, when a character in the Text editor needs to be selected, the keystroke sequence shows the character followed by b . Moving the Selection Cursor as necessary to hi[...]

Chapter 1: Operating the TI N 73 9 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 9 of 24 Done Exits the Text editor when selected and pastes all contents on the entry line to the cursor location on the previous screen. Entry Line Displays all currently selected characters. A ll [...]

10 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 10 of 24 Entry Line The entry line displays all characters selected in the Text editor. The entry line also accepts all number keys ( Y , Z , [ , ) and many keyboard operations ( 6 , I , , C ,[...]

Chapter 1: Operating the TI N 73 11 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 11 of 24 Editing Numbers and Characters Editing Numbers and Characters Using the edit keys, you can edit an entry on the Home screen or Y= editor, programming commands in the Program editor, the en[...]

12 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 12 of 24 Functions and Instructions A function returns a value. Generally, the first letter of each function is lowercase on the TI N 73. For example, pxl-Test( is a function because it returns a v[...]

Chapter 1: Operating the TI N 73 13 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 13 of 24 To move from menu to menu on a menu screen, press " or ! until the menu name is highlighted. When a menu item ends in an ellipsis (), the item displays a secondary menu or editor w[...]

14 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 14 of 24 Accessing Functions Accessing Functions à Instructions from the Instructions from the CATALOG CATALOG - | displays the CATALOG , which is an alphabetical list of all functions, instructio[...]

Chapter 1: Operating the TI N 73 15 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 15 of 24 Enter the CATALOG and go directly to the section starting with L. 1. Go to the CATALOG. -| 2. Select L from Text editor. -t L b Selecting ¨ by pressing b pastes it to the previous screen,[...]

16 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 16 of 24 M 4 b Grouping Parts of Expressions with Parentheses Grouping Parts of Expressions with Parentheses The calculator calculates an expression within parentheses first. Calculate 4(1+2). -l: [...]

Chapter 1: Operating the TI N 73 17 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 17 of 24 2. Enter the second expression, p R 2 , and calculate the result. -„-t R b Done b 6b Retrieving Previous Entries - £ When you press b on the Home screen to evaluate an expression or exe[...]

18 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 18 of 24 3. Edit and enter the new expression. !-t B b Done b b 4. Cycle back two entries. -£-£ 5. Edit and enter the new expression. !!! 3 b Recalling and Storing the Last Answer - ¢ When an ex[...]

Chapter 1: Operating the TI N 73 19 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 19 of 24 1. Calculate 3 4 using the Ans feature. -l: 3 M 3 b M 3 b M 3 b 2. Check your answer, if desired. 3 7 4 b Using Ans as a Variable in an Expression Using Ans as a Variable in an Expression [...]

20 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 20 of 24 Storing Values to a Variable Storing Values to a Variable X You can store values or expressions that result in one value or lists to a one-letter variable or a system variable (types are l[...]

Chapter 1: Operating the TI N 73 21 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 21 of 24 1. Enter the numeric value. It can be an expression that results in a numeric value. 2. Press X . " is copied to the cursor location. 3. Select the type of variable to which you want [...]

22 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 22 of 24 • Press - } to display the VARS menu; next select the type and then the name of the variable or function. • Press 8 (from the Program editor only), and then select the name of the prog[...]

Chapter 1: Operating the TI N 73 23 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 23 of 24 To select a mode setting, highlight the one you want by using the cursor keys, and then press b . . Normal Sci Numeric Notation mode Float 0123456789 Decimal Notation mode Degree Radian A [...]

24 Chapter 1: Operating the TI N 73 7301ENG.DOC CH1 Operating the TI-73, English Julie Hewlett Revised: 07/29/98 11:55 AM Printed: 05/19/99 8:58 AM Page 24 of 24 Decimal Notation Mode Decimal Notation Mode The Decimal Notation mode has two settings, Float and 0123456789 , which only affect the way an answer is displayed on the TI N 73. The Float (f[...]

7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 25 of 32 Math Operations Math Operations Keyboard Math Operations ................................................ 27 Basic Operations , T , M , F ..................................... 27 Integer Division - Π.........................[...]

26 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 26 of 32 The 1 LOG Menu ........................................................... 54 log( 1 " " " 1 .................................................... 54 10^( 1 " " " 2.....[...]

Chapter 2: Math Operations 27 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 27 of 32 Keyboard Math Operations The following sections explain how to use the math functions, including - functions, found on the TI N 73 keyboard. All of the examples in these sections assume that you are[...]

28 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 28 of 32 Integer Division Integer Division - Œ - Œ divides two positive integers and displays the quotient and the remainder, r . posintegerA Int à posintegerB You can include integer division in an expre[...]

Chapter 2: Math Operations 29 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 29 of 32 Calculate sin( p ). :-u 1 - „E b Percent Percent C Changes a real_number to percent. Results display according to the Decimal Notation mode setting. real_number % Convert M 30.6 % to a decimal. 1.[...]

30 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 30 of 32 Inverse Function Inverse Function - ƒ Returns the inverse, x -1 , of value , which is the equivalent of the reciprocal, 1 / x , of a real number, expression, or each element in a list. value -1 Imp[...]

Chapter 2: Math Operations 31 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 31 of 32 2. Calculate ( M 5) 2. . Da 5 E6b Power Power 7 Raises value to any power . value and power can be real numbers, expression, or lists. If both are lists, they must have the same number of elements. [...]

32 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 32 of 32 Test Operations Test Operations - t The two types of test operations included in the Text editor are relational operators ( = ,  , > ,  , < , and  ) and logic (Boolean) operators ( an[...]

Chapter 2: Math Operations 33 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 33 of 32 Operator: Returns true (1) if: = (equal) Two conditions are equal.  (not equal to) Two conditions are not equal. > (greater than) conditionA is greater than conditionB .  (greater than or e[...]

34 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 34 of 32 For L 1= {1,2,3} , test L 1 > log(30) . 1. Define L 1 . :-t { b 1 ¡ 2 ¡ 3} b Done b X-v 1 b 2. Test L 1 > log(30) . -v 1 -t > b Done b 1! 1 30 Eb Test cos(90) and sin(0) . :-u 3 90 E-t an[...]

Chapter 2: Math Operations 35 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 35 of 32 1:lcm( Finds the least common multiple, which is the smallest number that two integers can divide into evenly. 2:gcd( Finds the greatest common divisor, which is the largest number that divides into[...]

36 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 36 of 32 Add 1 / 4 + 5 / 6 (using LCM). 1. Find the LCM of the denominators. 1 1 4 ¡ 6 Eb 2. Use the LCM to convert 1 / 4 and 5 / 6 to fractions where 12 is the common denominator (without using the calcula[...]

Chapter 2: Math Operations 37 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 37 of 32 gcd( valueA , valueB ) Find the greatest common divisor for the fraction, 27 / 36 . 1. Find the GCD of 27 / 36 . 1 2 27 ¡ 36 Eb 2. Simplify the fraction completely using the GCD (without using the [...]

38 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 38 of 32 3  ( ( 1 4 4 Calculates the cube root of value , which is equivalent to n where n 3 = value . value can be a real number, expression, or list. 3  ( value ) Calculate 3  (125). 1 4 125 Eb x [...]

Chapter 2: Math Operations 39 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 39 of 32 The EQUATION SOLVER Screen If no equation is currently defined, pressing 1 6 takes you to the EQUATION SOLVER screen. Enter the equation at the cursor, using the Text editor ( - t ) to enter the var[...]

40 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 40 of 32 Equation Displays the currently defined equation. Equation Variables Displays all equation variables and their values. bound Default={ M 1 © 99,1 © 99} Displays the bound limits that apply to the [...]

Chapter 2: Math Operations 41 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 41 of 32 bound bound limits apply to the unknown variable value for which you are solving. Default bounds are { M 1 © 99,1 © 99}. Use these limits to narrow the unknown value solution to a specific range o[...]

42 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 42 of 32 2. Enter the equation. -t 2 D L b M b E = b N b Done bb 3. Enter the first value for M , 40, and N , 268. # 40 # 268 4. Solve for L . ##b 5. Solve for L when M = M 14. #a 14 ###b 6. Solve for L whe[...]

Chapter 2: Math Operations 43 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 43 of 32 Find the negative solution to the equation, 16= X 2 . 1. Define the equation on the EQUATION SOLVER screen. 1 6 $: (if necessary) 2 . Enter the equation. -t 16= bI6 Done bb 3. Use bound to limit you[...]

44 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 44 of 32 The 1 NUM Menu The 1 NUM (number) menu includes seven different math functions. 1" 1:abs( Calculates the absolute value of a real number, list, or expression. 2:round( Rounds a real number, lis[...]

Chapter 2: Math Operations 45 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 45 of 32 round( round( 1 " 2 2 Returns a number, expression, or each element in a list rounded to 10 digits or #decimal_places (  9), if specified. The final result is always displayed according to t[...]

46 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 46 of 32 5. Leave the Decimal Notation mode at 4 and round p to 5 digits. -£!! 5 b iPart( and fPart( iPart( and fPart( 1 " 3 and 4 3 and 4 iPart( returns the integer part of a real number, expression, [...]

Chapter 2: Math Operations 47 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 47 of 32 Find the fractional part of 1 1 / 2 . 1" 4 1 < 1 = 2 "Eb min( and max( min( and max( 1 " 5 and 6 5 and 6 These are identical to the min( and max( commands found on the - v MATH men[...]

48 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 48 of 32 2 . Find the list minimums. -l: 1" 5 -v 1 ¡ -v 2 Eb 3. Find the list maximums. 1" 6 -v 1 ¡ -v 2 Eb remainder( remainder( 1 " 7 7 Returns the remainder resulting from the division of[...]

Chapter 2: Math Operations 49 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 49 of 32 The 1 PRB Menu The 1 PRB (probability) menu lets you select functions that are often used to calculate probabilities. 1"" 1:rand Generates a random number between 0 and 1. 2:randInt( Gener[...]

50 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 50 of 32 Generate a sequence of random numbers using whatever value happens to be the current seed. :1"" 1 bbb Generate a sequence of random numbers using seed =1. : 1 X1" " 1 b1"&qu[...]

Chapter 2: Math Operations 51 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 51 of 32 nPr nPr 1 " " 3 3 Returns the number of permutations of n items taken r number at a time. The order in which you select the items DOES matter. items and number can be nonnegative integers [...]

52 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 52 of 32 From a group of 4 items (ABCD), how many ways can you select 2 of the items if the order does not matter? Find 4 nCr 2. : 4 1"" 4 2 b ABCD AB AC AD BA BC BD CA CB CD DA DB DC ! ! 1 " [...]

Chapter 2: Math Operations 53 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 53 of 32 coin( coin( 1 " " 6 6 Returns a random list of 0s and 1s that represents heads and tails for one or more coin tosses . tosses is a positive whole number. coin( tosses ) Simulate tossing a [...]

54 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 54 of 32 The 1 LOG Menu The 1 LOG (logarithm) menu lets you select functions that are used to calculate base-10 and base- e logarithms and powers. 1""" N or N 1! 1:log( Returns the base-10 log[...]

Chapter 2: Math Operations 55 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 55 of 32 10^( 10^( 1 " " " 2 2 Raises 10 to a power of x , where x is an integer, an expression that results in an integer, or a list of integers. If x  10 M 4 or  10 10 , the result is [...]

56 Chapter 2: Math Operations 7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58 AM Page 56 of 32 Calculate ln( 1 / 2 ). :1""" 3 1 = 2 "Eb e^( e^( 1 " " " 4 4 Raises e to a power of x , where x is a real number, an expression that results in an real number, or [...]

7303ENG.DOC Ch 3 Fractions, English Julie Hewlett Revised: 07/29/98 12:00 PM Printed: 05/19/99 8:59 AM Page 57 of 10 Fractions Fractions Entering Fractions................................................................ 58 Using Fractions in Calculations ........................................... 59 Fraction Modes .................................[...]

58 Chapter 3: Fractions 7303ENG.DOC Ch 3 Fractions, English Julie Hewlett Revised: 07/29/98 12:00 PM Printed: 05/19/99 8:59 AM Page 58 of 10 Entering Fractions Simple fractions consist of a numerator and denominator. Mixed numbers combine a whole number with a fraction. Note: The numerator and denominator cannot be a fraction. Simple Fractions nume[...]

Chapter 3: Fractions 59 7303ENG.DOC Ch 3 Fractions, English Julie Hewlett Revised: 07/29/98 12:00 PM Printed: 05/19/99 8:59 AM Page 59 of 10 Using Fractions in Calculations The type of calculation and the input values determine whether the results of a calculation are shown as a fraction or a decimal. You can enter fractions with all operation keys[...]

60 Chapter 3: Fractions 7303ENG.DOC Ch 3 Fractions, English Julie Hewlett Revised: 07/29/98 12:00 PM Printed: 05/19/99 8:59 AM Page 60 of 10 Fraction Modes Two fraction modes exist on the calculator: Display Format mode and Simplification mode. Display Format Mode Settings Display Format Mode Settings The Display Format mode settings, A § b à c a[...]

Chapter 3: Fractions 61 7303ENG.DOC Ch 3 Fractions, English Julie Hewlett Revised: 07/29/98 12:00 PM Printed: 05/19/99 8:59 AM Page 61 of 10 Autosimp The calculator automatically simplifies fractional results. Mansimp The user simplifies fractions manually step-by- step. $ next to the result signifies that it can be simplified at least one more tim[...]

62 Chapter 3: Fractions 7303ENG.DOC Ch 3 Fractions, English Julie Hewlett Revised: 07/29/98 12:00 PM Printed: 05/19/99 8:59 AM Page 62 of 10 Mansimp Setting Mansimp Setting When the Mansimp setting is selected, the result of a calculation is not simplified automatically. $ next to a result means that it is unsimplified and can be simplified at leas[...]

Chapter 3: Fractions 63 7303ENG.DOC Ch 3 Fractions, English Julie Hewlett Revised: 07/29/98 12:00 PM Printed: 05/19/99 8:59 AM Page 63 of 10 Choosing the Simplification Factor After getting an unsimplified result from any fractional calculation, press B simplification_factor b , where simplification_factor is a positive integer that you choose. The[...]

64 Chapter 3: Fractions 7303ENG.DOC Ch 3 Fractions, English Julie Hewlett Revised: 07/29/98 12:00 PM Printed: 05/19/99 8:59 AM Page 64 of 10 Only one simplification factor (the last one calculated) is stored in memory. Also, you can store a positive whole number to Factor using the X key, just as you would store a number to any variable. For more i[...]

Chapter 3: Fractions 65 7303ENG.DOC Ch 3 Fractions, English Julie Hewlett Revised: 07/29/98 12:00 PM Printed: 05/19/99 8:59 AM Page 65 of 10 Convert 3 / 4 to a decimal and back to a fraction. 1. Convert 3 / 4 to a decimal. -l: 3 = 4 >b 2. Convert .75 back to a fraction. >b Add 2 plus the decimal equivalent of 1 / 4 . 2 1 = 4 >b Convertin[...]

66 Chapter 3: Fractions 7303ENG.DOC Ch 3 Fractions, English Julie Hewlett Revised: 07/29/98 12:00 PM Printed: 05/19/99 8:59 AM Page 66 of 10[...]

7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM Page 67 of 10 Measurement Measurement Conversions and Conversions and Constant Constant Calculations Calculations The - ‚ CONVERSIONS Menu............................... 68 Length - ‚ 1 ................................................. 68 Area [...]

68 Chapter 4: Conversions à Constants 7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM Page 68 of 10 The - ‚ CONVERSIONS Menu Use this menu to access all conversion categories. -‚ 1:Length Displays the LENGTH menu. 2:Area Displays the AREA menu. 3:Volume Displays the VOLUME menu. 4:Time Disp[...]

Chapter 4: Conversions à Constants 69 7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM Page 69 of 10 Volume Volume - ‚ 3 3 liter ........... liters in 3 ................... cubic inch e s gal ............ gallons ft 3 ................... cubic feet qt .............. quarts m 3 ................[...]

70 Chapter 4: Conversions à Constants 7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM Page 70 of 10 Converting a Unit of Measure Converting a Unit of Measure To convert a measurement value, enter the measurement value, select the category from the CONVERSIONS menu, select the unit you are conve[...]

Chapter 4: Conversions à Constants 71 7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM Page 71 of 10 EOS operating rules (Appendix B: Reference Information) apply when converting negative measurements as shown in the next example. Compare the results of M 5 ¡ F 4 ¡ C and ( M 5) ¡ F 4 ¡ C. 1.[...]

72 Chapter 4: Conversions à Constants 7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM Page 72 of 10 To use a constant: 1. Define the constant in the Set Constant editor ( - † ). 2. Recall the constant with the @ key. Single Mode Single Mode By selecting Single mode, you tell the calculator th[...]

Chapter 4: Conversions à Constants 73 7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM Page 73 of 10 4. Define C 3 as ¦ 1 / 2 . ## M 1 = 2 5. Exit the Set Constant editor. -l Single Mode Constant Calculations After a constant is defined and selected, return to the screen where you want to use i[...]

74 Chapter 4: Conversions à Constants 7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM Page 74 of 10 Find the multiple of 2 so that 5 ¦ 2 n =40. 1. Select Single mode, if necessary. -†$b 2. Enter C 2 = ¦ 2 . ##M 2 3. Return to the Home screen and clear, if desired. -l: 4. Count the number of[...]

Chapter 4: Conversions à Constants 75 7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM Page 75 of 10 Multiple Mode Multiple Mode In Multiple mode, all defined constants are available to use at any time. To define Multiple mode, highlight Multiple using the cursor keys, and then press b . Definin[...]

76 Chapter 4: Conversions à Constants 7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM Page 76 of 10 To select a constant, press the number associated with the constant ( 1 , 2 , 3 , or 4 ). You may choose another constant (or the same one) by pressing @ again. In Multiple mode (unlike in Single[...]

7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 77 of 30 Lists Lists Steps for Creating a List ...................................................... 78 The List Editor 3 ............................................................ 79 Naming a List .............................................[...]

78 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 78 of 30 Steps for Creating a List On the TI N 73, a set of numerical or text information is called a list. Follow these basic steps when defining a list. Display the List editor. Name the list you want to define, or use a pre[...]

Chapter 5: Lists 79 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 79 of 30 The List Editor 3 You can enter up to 20 lists in the List editor. Each list can have up to 999 elements. You can only display three lists at the same time; use " or ! to scroll to see all other defined lists. Li[...]

80 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 80 of 30 If you do not want to use L 1 - L 6 (you cannot rename them), you can create a new list and name it anything you want. A list name can be one to five characters long. The first character must be a letter from A to Z. [...]

Chapter 5: Lists 81 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 81 of 30 Entering List Elements A named list accepts two types of elements: numerical and text . • Lists that contain numerical elements not enclosed in quotation marks are called numerical lists. • Lists that contain text[...]

82 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 82 of 30 2. Enter the list elements. 18 # 25 # 45 # Entering Fractional Elements When entering fractions from the Home screen, parentheses are optional around the numerator and denominator. When entering fractions in the List [...]

Chapter 5: Lists 83 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 83 of 30 Dependent Numerical Lists The numerical list described in the previous section ( ¨ NUM ) is an independent list. You also can create dependent lists, which are dependent (or based) upon the contents of another define[...]

84 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 84 of 30 1. Create the independent list, ¨ CEL . 3 " or " (as necessary to move to the blank list) -t C b E b L b Done bb 2. Enter the elements. #a 40 #a 15 #a 5 # 30 # 58 # 140 # 3. Create the dependent list, ¨ FR[...]

Chapter 5: Lists 85 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 85 of 30 6. Change M 5 in ¨ CEL to M 8 . !##ba 8 b Note : Since the formula is enclosed in quotation marks, element 3 in ¨ FRHT is automatically updated. Categorical Lists Categorical lists usually contain words or letters ([...]

86 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 86 of 30 1. Display the List editor and create a list named TEST . 3" or ! (as necessary to move to the blank list) -t T b E b S b T b Done bb 2. Enter the element TEST1. #-t " b T b E b S b T b 1 " b Done bb 3.[...]

Chapter 5: Lists 87 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 87 of 30 6. Create a list named KAREN. "-t K b A b R b E b N b Done b b 7. Enter 90 , 85 , 92 , and 79 . # 90 # 85 # 92 # 79 # Once you have these lists entered, you can display this data in various ways using related fea[...]

88 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 88 of 30 Insert L 1 between L 4 and L 5 . 1. Move the cursor so that it highlights L 5 . 3$ " or ! (as necessary) 2. Insert a blank list. -m 3. Identify it as L 1 . -v 1 b Delete L 1 . / Deleting Lists from Calculator Mem[...]

Chapter 5: Lists 89 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 89 of 30 Delete L 2 from the calculators memory. -Ÿ 4 3 #b -l (to return to the Home screen) Inserting or Deleting One Element in a List Inserting or Deleting One Element in a List To insert one element in a list: 1. Use t[...]

90 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 90 of 30 Clearing All Elements in a List Clearing All Elements in a List To clear all of the elements in a list when the List editor is displayed: 1. Use the cursor keys as necessary to highlight the list name. The list elemen[...]

Chapter 5: Lists 91 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 91 of 30 Deleting a List Formula You can delete an attached formula in one of two ways. You can: • Follow the preceding directions for editing a formula, but press : b in place of step 3. • Edit one of the elements in the [...]

92 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 92 of 30 The - v OPS Menu Use the - v OPS (options) menu to change defined lists from the Home screen. -v " 1:SortA( (Ascending) Sorts list elements from lowest to highest in numerical order or in alphabetical order. 2:So[...]

Chapter 5: Lists 93 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 93 of 30 SortA( and SortD( SortA( and SortD( - v " 1 and 2 1 and 2 SortA( (sort ascending) sorts numerical list elements from lowest to highest value and categorical list elements alphabetically. SortD( (sort descending) [...]

94 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 94 of 30 Sorting Multiple Lists You can specify more than one list when using SortA( and SortD( . In this case, the first list specified is the independent one; any following lists are dependent . The calculator sorts the inde[...]

Chapter 5: Lists 95 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 95 of 30 ClrList ClrList - v " 3 3 Clears all items in specified list(s) from the Home screen. ClrList list1 [, list2 , list3 ,...] From the Home screen, clear L 1 and L 2 . -l: -v" 3 -v 1 ¡-v 2 b dim( dim( - v &quo[...]

96 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 96 of 30 To create a new list with a specific dimension: dimension# X dim( newList ) To change the dimension of an existing list: newDimension# X dim( list ) Define L 5 ={1,2,3,4} in the List editor. 3 From the Home screen, re[...]

Chapter 5: Lists 97 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 97 of 30 1. Change the dimension of ¨ NEW to 3 elements. 3 X-v" 4 -v NEW b Eb 2. Display the elements in ¨ NEW , if desired. -v NEW b b @ List( List( - v " 5 5 @ List( (delta list) returns a list containing the dif[...]

98 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 98 of 30 Select( Select( - v " 6 6 This instruction is used to select a certain portion of an existing Scatter or xyLine stat plot, both of which contain an XList and a YList . Before you can use Select( , you must define[...]

Chapter 5: Lists 99 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 99 of 30 2. The Select( command and two new list names are entered from the Home screen. - v " 9 accesses the list signifier. - t accesses the Text editor. 3. The left bound is chosen. b 4. The right bound is chosen. &quo[...]

100 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 100 of 30 Solve expression , A 2 , with regard to variable , A . Use variable values ranging from 1 ( begin ) to 11 ( end ), and specify increment as 3. 1. Return to the Home screen, and clear it, if desired. -l: 2. Enter the[...]

Chapter 5: Lists 101 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 101 of 30 3. Store the augmented list to L 6 . -¢X-v 6 b ¨ (List Signifier) (List Signifier) - v " 9 9 The list signifier, ¨ , which is not the same as the L from the Text editor, is especially useful in programming w[...]

102 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 102 of 30 List Commands from the Home Screen You can create, copy, display, and edit lists directly from the Home screen. You also can perform mathematical functions on lists from the Home screen. Creating a List Creating a L[...]

Chapter 5: Lists 103 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 103 of 30 Copying One List to Another Copying One List to Another To copy a list on the Home screen, store it to another list name. It is easiest to store the elements in the List editor. You then can review the results in th[...]

104 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 104 of 30 Define L 2 ={1,2,3} in the List editor and display the second element from the Home screen . 1. Define L 2 . 3 2. Display the 2nd element only. -l: -v 2 D 2 Eb Inserting or Changing a List Element Inserting or Chang[...]

Chapter 5: Lists 105 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 105 of 30 4. Change the 4th element, 6 , to 8 . -l 8 X -v 1 D 4 Eb 5. Display results in the List editor, if desired. 3 Using Math Functions with Lists Using Math Functions with Lists When a math function (see Chapter 2: Math[...]

106 Chapter 5: Lists 7305ENG.DOC CH 5 Lists, English Julie Hewlett Revised: 07/29/98 12:04 PM Printed: 05/19/99 8:59 AM Page 106 of 30 3. Calculate L 5 2 . -v 5 6b 4. Select Radian mode setting and calculate cos( L 6 ). .##"b -l: -u 3 -v 6 Eb For more information, see Chapter 11: Trigonometry. L5 2 = {4 2 , 5 2 , 6 2 }= {16,25,36} Use " t[...]

7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 107 of 20 Statistical Plots Statistical Plots Steps for Defining a Stat Plot ........................................... 108 Defining Statistical Data in Lists ....................................... 109 Deselecting Y n Functions ......[...]

108 Chapter 6: Statistical Plots 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 108 of 20 Steps for Defining a Stat Plot Follow these basic steps when defining a statistical plot. You may not have to do all of them each time you graph the designated lists. Define numerical and categ[...]

Chapter 6: Statistical Plots 109 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 109 of 20 Defining Statistical Data in Lists Statistical plots (stat plots) are graphical representations of data that has been stored in lists. Therefore, since you need to create your lists before you [...]

110 Chapter 6: Statistical Plots 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 110 of 20 The Stat Plot Menu Screen -e PlotsOff and PlotsOn - e 4 and 5 From the STAT PLOTS menu, you can choose to turn all stat plots off or on. This determines whether or not they are displayed on the[...]

Chapter 6: Statistical Plots 111 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 111 of 20 The Stat Plot Editor -e 1, 2 o r 3 If the plot has been defined previously, that information is displayed when you select a plot number. From the Stat Plot editor, you select (turn on) or desel[...]

112 Chapter 6: Statistical Plots 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 112 of 20 Defining Stat Plot Options The plot type you select determines which options you can select. Therefore, when you select a different type, the options adjust automatically, if necessary. • To [...]

Chapter 6: Statistical Plots 113 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 113 of 20 For option: Do the following: CategList Specify a defined categorical list. List dimension must be from 1 to 7 and must be the same length as all corresponding Data Lists . Data List or DataLis[...]

114 Chapter 6: Statistical Plots 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 114 of 20 Adjusting Window Values and Format If you press * to display all selected stat plots, sometimes you see a blank screen. Try adjusting your viewing window. The easiest way to do this is with the[...]

Chapter 6: Statistical Plots 115 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 115 of 20 For the years 1978 -1984, determine in which baseball league, North or South, the homerun leader tends to hit more home runs. Use Scatter plots to find your solution. Year Home Runs Year Home R[...]

116 Chapter 6: Statistical Plots 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 116 of 20 6. Define Plot2 as shown to the right. 2 b#b# -v YEAR b #-v SOUTH b#"b 7. Display the stat plots using the ZoomStat command. ( 7 8. Trace the Scatter plots to find the solution to the ques[...]

Chapter 6: Statistical Plots 117 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 117 of 20 Pictograph Pictograph Î In a Pictograph, an icon symbolizes the quantities being represented. Pictographs are useful for observing changes in quantity over time. They also can illustrate compa[...]

118 Chapter 6: Statistical Plots 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 118 of 20 2. Turn off all stat plots. -e 4 b 3. Display the STAT PLOTS menu. -e 4. Define Plot1 as a Pictograph as shown to the right. 1 b#""b #-v CITY b#-v MILES b# 500 # b#b 5. Display the st[...]

Chapter 6: Statistical Plots 119 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 119 of 20 The Xscl WINDOW value specifies the range of values for each interval of a Bar graph. The Yscl WINDOW value specifies the height of a bar in a Bar graph; in other words, it acts as your bar sca[...]

120 Chapter 6: Statistical Plots 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 120 of 20 5. Select Vert and 2 , if necessary. ##b""" b 6. Display the stat plots. * 7. Trace the Bar graph, if desired. ) ! and " (to trace bar to bar) Pie Chart Pie Chart Ï A Pie c[...]

Chapter 6: Statistical Plots 121 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 121 of 20 3. Display the STAT PLOTS menu and select Plot1 . -e 1 b 4. Define Plot1 as a Pie chart as shown to the right. #""""b# -v PETS b# -v AMNT b #"b 5. Display the stat plot[...]

122 Chapter 6: Statistical Plots 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 122 of 20 1. Create two lists in the List editor, SCORE and FREQ . 3 For more information on entering lists, see Chapter 5: Lists. 2. Turn off all stat plots. -e 4 b 3. Display the STAT PLOTS menu. -e 4.[...]

Chapter 6: Statistical Plots 123 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 123 of 20 7. Graph and trace the adjusted Histogram. *) " and ! (to trace bar to bar) Box Plot Box Plot Ö A Box plot illustrates median applications of a data list. Lines on the plot, called whiske[...]

124 Chapter 6: Statistical Plots 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 124 of 20 Graph the test scores data from the Histogram example as a Box plot. (See previous section, if necessary.) 1. Turn off all stat plots. -e 4 b 2. Display the Stat Plots menu. -e 3. Define Plot1 [...]

Chapter 6: Statistical Plots 125 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 125 of 20 Graph the test scores data from the Histogram and Box plot examples as a Modified Box plot. (See those sections, if necessary.) However, adjust SCORE and FREQ by inserting two outlier data poin[...]

126 Chapter 6: Statistical Plots 7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM Page 126 of 20[...]

7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 127 of 22 Statistical Statistical Analyses Analyses The - v MATH Menu ................................................ 128 min( and max( - v " " 1 and 2 ..................... 128 mean(, median(, and mode( - v " &quo[...]

128 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 128 of 22 The - v MATH Menu The - v MATH menu allows you to calculate statistical analyses with lists (see chapter 5: Lists). -v"" 1:min( Returns the minimum of two real numbers, lists[...]

Chapter 7: Statistical Analyses 129 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 129 of 22 If both arguments are lists, they must have the same number of elements. If one argument is a list and the other a non-list, the non-list is compared with each element of the list, and[...]

130 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 130 of 22 mean(, median(, and mode( mean(, median(, and mode( - v " " 3, 4, and 5 3, 4, and 5 median( returns the median (the middle element) of list when the elements, even if the lis[...]

Chapter 7: Statistical Analyses 131 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 131 of 22 2. Return to the Home screen, and calculate the average of the test scores. -l: -v"" 3 -v TEST b¡-v FREQ bEb stdDev( stdDev( - v " " 6 6 stdDev( returns the standa[...]

132 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 132 of 22 sum( sum( - v " " 7 7 sum( (summation) returns the sum of all elements in list . Specify the additional optional arguments to return the sum of the range of elements between [...]

Chapter 7: Statistical Analyses 133 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 133 of 22 The - v CALC Menu The - v CALC menu allows you to calculate statistical analyses on lists. When you choose an item from the menu, the calculator returns a list of statistical variables[...]

134 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 134 of 22 Non-integer freq elements are valid. This is useful when entering frequencies expressed as percentages or parts that add up to 1. However, if freq contains non-integer frequencies, Sx [...]

Chapter 7: Statistical Analyses 135 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 135 of 22 2. Return to the Home screen, and calculate the 1-Var Stats for the lists. -l: -v! 1 -v 1 ¡ -v 2 b Find the 2-Var Stats for L 1 ( XList ) and L 2 ( YList ), where L 1 ={1,3,4,5,5,7,8,[...]

136 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 136 of 22 What Do the Results Mean? 1-Var Stats and 2-Var Stats variables are calculated and stored as indicated below. To access these variables for use in expressions, press - } 3:Statistics a[...]

Chapter 7: Statistical Analyses 137 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 137 of 22 Variables Definition VARS Menu r Correlation coefficient EQ r 2 or R 2 Coefficient of determination EQ RegEQ Regression equation EQ x1,y1,x2,y2, x3,y3 Summary points PTS a, b, c Regres[...]

138 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 138 of 22 Manual-Fit Manual-Fit - v ! 3 3 Manual-Fit allows you to fit a line to plotted data on the Graph screen manually (as opposed to the calculator automatically drawing it for you). You ca[...]

Chapter 7: Statistical Analyses 139 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 139 of 22 Graph a scatter plot for L 1 and L 2 , where L 1 ={1,3,4,5,5,7,8,9} and L 2 ={1,4,2,3,4,6,7,9} , and use Manual-Fit to draw a line through the points. 1. Set Decimal Notation mode to 2[...]

140 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 140 of 22 6. Move the cursor to the beginning point of line. "!$# (as necessary) b 7. Move the cursor to the end point of line. "!$# (as necessary) 8. Draw the line. b 9. Adjust line w[...]

Chapter 7: Statistical Analyses 141 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 141 of 22 If freq is omitted, all values are used once. If XList and YList are not specified, the default list names are L 1 and L 2 . To access Y n variables, press - } 2 : Y-Vars . Med-Med [ X[...]

142 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 142 of 22 5. View the line on the Graph screen. ( 7 6. View the equation stored to Y 2 , if desired. & LinReg(ax+b) LinReg(ax+b) - v ! 5 5 LinReg(ax+b) (linear regression) fits the model equ[...]

Chapter 7: Statistical Analyses 143 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 143 of 22 Graph a scatter plot for L 1 and L 2 , where L 1 ={1,3,4,5,5,7,8,9} and L 2 ={1,4,2,3,4,6,7,9} , and use LinReg(ax+b) to draw the linear regression line through the points. 1. Set Deci[...]

144 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 144 of 22 5. View the line on the Graph screen. ( 7 6. View the equation stored to Y 2 , if desired. & QuadReg QuadReg - v ! 6 6 QuadReg (quadratic regression) fits the second-degree polynom[...]

Chapter 7: Statistical Analyses 145 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 145 of 22 Graph a scatter plot for L 1 and L 2 , where L 1 ={1,3,4,5,5,7,8,9} and L 2 ={1,4,2,3,4,6,7,9} , and use QuadReg to draw the quadratic regression curve through the points. 1. Set Decim[...]

146 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 146 of 22 6. View the equation stored to Y 1 , if desired. & ExpReg ExpReg - v ! 7 7 ExpReg (exponential regression) fits the model equation y=ab x to the data using a least-squares fit and [...]

Chapter 7: Statistical Analyses 147 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 147 of 22 2. After entering the lists, define Plot1 as a scatter plot using L 1 and L 2 , as shown to the right. -e For more information on defining stat zplots, see Chapter 6: Statistical Plots[...]

148 Chapter 7: Statistical Analyses 7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99 9:00 AM Page 148 of 22[...]

7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 149 of 14 Tables Tables What Is a Table? ................................................................ 150 Steps for Creating a Table................................................. 151 Defining and Selecting Functions in the Y= Editor &[...]

150 Chapter 8: Tables 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 150 of 14 What Is a Table? A table displays coordinate pair ( X , Y ) solutions for a defined function. One column displays independent variable values ( X ), and all others display corresponding dependent variable values ([...]

Chapter 8: Tables 151 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 151 of 14 Steps for Creating a Table Follow these basic steps when defining a table. Define or edit up to four functions in the Y= editor. Select the Y n function(s) that you want to be included in the table. Set up the tab[...]

152 Chapter 8: Tables 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 152 of 14 Defining and Selecting Functions in the Y= Editor & To create a table of values for a function, you first must define the function in the Y= editor. Press & to display the Y= editor; then define up to four[...]

Chapter 8: Tables 153 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 153 of 14 Setting Up the Table - f Use the TABLE SETUP screen to specify the initial settings for your table. To select an Indpnt or Depend setting, highlight the one you want with the cursor, and then press b . -f TblStart[...]

154 Chapter 8: Tables 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 154 of 14 Displaying the Table - i Once your functions are defined and selected in the Y= editor and you have set up your table in the TABLE SETUP screen, if necessary, you can display the table with - i . -i On the Table s[...]

Chapter 8: Tables 155 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 155 of 14 Indpnt=Auto and Depend=Auto Indpnt=Auto and Depend=Auto Select these settings on the TABLE SETUP screen when you want all X and Y n values to appear automatically. You have two dogs, Rover and Spot. You feed Rover[...]

156 Chapter 8: Tables 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 156 of 14 How many times will Spot and Rover have eaten after 1 , 3, and 4 weeks? (Refer to the previous example, if necessary.) 1 . Set up the table where TblStart=0 , @ Tbl=7 , Indpnt=Auto , and Depend=Auto . -f 0 # 7 #b [...]

Chapter 8: Tables 157 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 157 of 14 Display the number of times Rover has eaten after 4 days and 8 days, and display the number of times Spot has eaten after 3 days and 6 days. (Refer to the previous example, if necessary.) 1 . Setup the table where[...]

158 Chapter 8: Tables 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 158 of 14 How many total times will Spot and Rover have eaten after 1 6 days, 37 days, 52 days, and 74 days? (Refer to the previous examples, if necessary.) 1 . Setup the table where Indpnt=Ask and Depend=Auto . -f ##"[...]

Chapter 8: Tables 159 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 159 of 14 Editing X Values from the Table Screen You can edit X values from the Table screen when Indpnt=Ask . Change X=37 to X=36. (Refer to the previous example, if necessary.) 1 . Display the current table. -i 2 . Highli[...]

160 Chapter 8: Tables 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 160 of 14 Editing Editing Y Y n from the Table Screen from the Table Screen At any time you can edit Y n from the Table screen without returning to the Y= editor. Change Y 1 =3x to Y 1 =3x+5. (Refer to the previous example,[...]

Chapter 8: Tables 161 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 161 of 14 Table Setup from the Home Screen You can store values to TblStart and @ Tbl from the Home screen or the Program editor. These table variable names are on the - } 5:Table menu. You also can select DependAsk , Depen[...]

162 Chapter 8: Tables 7308ENG.DOC CH 8 Tables, English Julie Hewlett Revised: 07/29/98 12:08 PM Printed: 05/19/99 9:01 AM Page 162 of 14[...]

7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 163 of 24 Function Graphing Function Graphing Steps for Graphing a Function .......................................... 164 Example of Function Graphing ......................................... 165 Defining Functions in the Y= Editor [...]

164 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 164 of 24 Steps for Graphing a Function Follow these basic steps when graphing a function. You may not have to do all of them each time. ( 6 values Define or edit up to four functions in the Y= editor.[...]

Chapter 9: Function Graphing 165 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 165 of 24 Example of Function Graphing For every cookie Tham eats, Antonio eats two. How many cookies does Antonio eat if Tham eats 1 cookie, 2 cookies, 3 cookies, and 4 cookies? Find the equation that[...]

166 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 166 of 24 Graph Y=2X on your calculator and find the solutions to the word problem. 1. Display the Y= editor. & 2. Clear Y 1 =, if necessary. Enter Y 1 =2X . : 2 I 3. Show the table of ( X , Y ) co[...]

Chapter 9: Function Graphing 167 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 167 of 24 Defining Functions in the Y= Editor & Use the Y= editor to define up to four functions, Y 1, Y 2, Y 3 , a n d Y 4 , in terms of the independent variable, X . Press & to display the Y=[...]

168 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 168 of 24 Editing Functions Editing Functions You can edit or delete functions at any time in the Y= editor. Move the cursor to the function in the Y= editor that you want to change. You can: • Use t[...]

Chapter 9: Function Graphing 169 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 169 of 24 See Chapter 6: Statistical Plots for more information on defining and graphing stat plots. Exiting the Y= Editor Exiting the Y= Editor To select another screen, press the appropriate key, suc[...]

170 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 170 of 24 Icon Style Description Example ( Y 1 =2x ) ç Line Connects plotted points with a line. This is the default. è Thick Connects plotted points with a thick line. é Above Shades the area above[...]

Chapter 9: Function Graphing 171 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 171 of 24 Set the Below graph style for Y 2 =3X+5. 1. Enter the Y= editor and define Y 2 =3X+5 . &#: 3 I 5 2 . Highlight the graph style icon (to the left of the Y 2 ) and select the graph style, [...]

172 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 172 of 24 Setting Turns these on or off: Example: CoordOn/ CoordOff X - and Y- coordinates of the cursor at the bottom of the screen. Useful when tracing a graph. GridOff/ GridOn Grid lines that corres[...]

Chapter 9: Function Graphing 173 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 173 of 24 Defining Window Values If you enter a function in the Y= editor and press * , but nothing happens or the graph doesnt look the way you expect it to, you may need to adjust the WINDOW value[...]

174 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 174 of 24 The Window Values Screen The Window Values Screen ' WINDOW values put specific boundaries on the display. For an explanation of @ X , see the section in this chapter entitled Controll[...]

Chapter 9: Function Graphing 175 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 175 of 24 Determining Window Values for a Specific Graph Determining Window Values for a Specific Graph The following example shows how you can adjust the WINDOW values manually (as opposed to using th[...]

176 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 176 of 24 Graph the function, Y 1 =50X, on your calculator. 1 . Display the Y= editor. & 2. Enter Y 1 =50X. : 50 I Note: Deselect any other functions by highlighting the corresponding = and pressin[...]

Chapter 9: Function Graphing 177 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 177 of 24 7. Find the Y values when X = 2, 4, and 5. 2 b 4 b 5 b Note: Consider using the CONVERSIONS menu ( - ‚ 4 ) to convert your answers (in minutes) to seconds, hours, days, weeks, or years. If [...]

178 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 178 of 24 To pause while a graph is being drawn, press b ; press b again to resume plotting. Press ^ to stop graphing. Press * to start over and plot again. Smart Graph Smart Graph When you press * , t[...]

Chapter 9: Function Graphing 179 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 179 of 24 When more than one function (or stat plot) is selected and graphed, press $ and # to move the cursor from one function graph to another. The cursor movement is based on the order of the funct[...]

180 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 180 of 24 Graph Y 1 =2X with ZStandard . 1 . Define Y 1 =2X in the Y= editor. &: 2 I Note: Deselect any other functions by highlighting the corresponding = and pressing b . 2. Graph and trace the f[...]

Chapter 9: Function Graphing 181 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 181 of 24 Adjusting Window Values with the ( ZOOM Menu The ( ZOOM menu items allow you to adjust the viewing WINDOW of a graph quickly in a variety of ways. From the Graph screen, press ' to see t[...]

182 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 182 of 24 6:ZStandard Sets the standard (default) WINDOW variables. Replots the graph immediately. 7:ZoomStat Sets the WINDOW values for the current stat lists. Replots the graph immediately. 8:ZDecima[...]

Chapter 9: Function Graphing 183 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 183 of 24 2. Select the ZBox function and return to the function graph. ( 1 3. Move the cursor to one corner of the box you want to define. "!$#b 4. Move the cursor to the corner diagonally opposi[...]

184 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 184 of 24 2. Select the Zoom In operation for the function graph. ( 2 3. Move the cursor to the point that you want as the center of the new viewing window. "!$# 4. Replot the graph. b Zoom Out wo[...]

Chapter 9: Function Graphing 185 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 185 of 24 Other Zoom Operations Other Zoom Operations All other Zoom commands, ZQuadrant , ZSquare, ZoomStat, ZDecimal , ZoomFit , and ZTrig , replot immediately all selected functions and adjust WINDO[...]

186 Chapter 9: Function Graphing 7309ENG.DOC CH 9 Function Graphing, English Julie Hewlett Revised: 07/29/98 12:14 PM Printed: 05/19/99 9:01 AM Page 186 of 24 SetFactors SetFactors ( " 2 2 The zoom factors, XFact and YFact , are positive real numbers  1. They define the magnification or reduction factor used to Zoom In or Zoom Out around a [...]

7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 187 of 22 Drawing Drawing The 2 DRAW Menu ..................................................... 188 ClrDraw 2 1 ......................................................... 189 Line( 2 2 .............................................................. 189 Horizon[...]

188 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 188 of 22 The 2 DRAW Menu The 2 DRAW menu items let you draw on top of function graphs and stat plots (see Chapter 9: Function Graphing and Chapter 6: Statistical Plots). The way the TI N 73 interprets draw instructions depends on whe[...]

Chapter 10: Drawing 189 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 189 of 22 ClrDraw ClrDraw 2 1 1 ClrDraw clears all drawn elements from the Graph screen. All points, lines, and shading drawn with 2 DRAW menu items are temporary. Therefore, if you leave the Graph screen, and then return, all drawing[...]

190 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 190 of 22 Draw a line segment from the Graph screen. 1. Clear all previous drawings, and select the beginning point of the line segment. ( 6 2 1 2 2 #$"! (as necessary) b 2. Select the ending point of the line segment. #$"! [...]

Chapter 10: Drawing 191 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 191 of 22 From the Home screen, draw a line segment from (0,0) to (6,9). 1. From the Home screen, clear the Graph screen. -l: 2 1 b 2. Specify the ( X , Y ) coordinates and draw the line segment. 2 2 0 ¡ 0 ¡ 6 ¡ 9 Eb Erase the port[...]

192 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 192 of 22 Horizontal and Vertical from the Graph Screen To draw a horizontal or vertical line on the Graph screen: 1. From the Graph screen, select 2 3 or 4 . The cursor appears in the middle of the Graph screen. The X - and Y -coordi[...]

Chapter 10: Drawing 193 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 193 of 22 Vertical draws a vertical line at X = x . x can be an integer or an expression. Vertical x From the Home screen, draw a horizontal line at Y =4. -l: 2 1 b2 3 4 b Draw a vertical line at X =4. -l2 4 4 b Shade( Shade( 2 5 5 Wi[...]

194 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 194 of 22 To use Shade( from the Home screen or a program: 1. Select 2 5 . 2. Enter two functions, lower and upper , in terms of X . After the instruction is executed, the calculator graphs the functions and shades above lower and bel[...]

Chapter 10: Drawing 195 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 195 of 22 -l: 2 1 b 2 5 IT 2 ¡I 1 3 T 8 IEb Enter a left X boundary, M 2, and a right X boundary, 5, for the same functions. -l2 1 b -£-£ !¡a 2 ¡ 5 Eb ` Circle( Circle( 2 6 6 You can execute the Circle( instruction from the Graph[...]

196 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 196 of 22 Draw a circle from the Graph screen. 1. Clear all previous drawings, and select the center point of the circle. *2 1 2 6 #$"! (as necessary) b 2. Move the cursor to a point on the circumference. $#"! (as necessary)[...]

Chapter 10: Drawing 197 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 197 of 22 Text( Text( 2 7 7 You can access Text( from the Graph screen, Home screen, or the Program editor. Text( allows you to draw text on the Graph screen when a graph is displayed. Use the Text editor ( - t ) to access all text ch[...]

198 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 198 of 22 Text( from the Home Screen or the Program Editor From the Home screen or the Program editor, you can draw text on the Graph screen. Text( accepts three mandatory arguments: row and column , which specify the pixel value of t[...]

Chapter 10: Drawing 199 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 199 of 22 2. Using the Text editor, enter "QUAD1" . -t " b Q b U b A b D b 1 " b Done bE b Pen Pen 2 8 8 Pen draws any shape you want, including irregular or unusual ones. You can execute Pen only from the Graph sc[...]

200 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 200 of 22 Draw a happy face on the Graph screen. 1. Clear all previous drawings, and then select AxesOff . *2 1 -g##" b 2. First draw a circle. *2 6 b $ (as necessary) b 3. Use Pen( to draw the eyes. 2 8 # and ! (as necessary) bb[...]

Chapter 10: Drawing 201 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 201 of 22 The 2 POINTS Menu The 2 POINTS menu items let you draw or erase individual points or pixels on top of function graphs and stat plots (see Chapter 9: Function Graphing and Chapter 6: Statistical Plots). The way the TI N 73 in[...]

202 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 202 of 22 Pt-On(, Pt-Off(, and Pt-Change( Pt-On(, Pt-Off(, and Pt-Change( 2 " 1, 2, and 3 1, 2, and 3 Pt-On( , Pt-Off( , and Pt-Change( turn on, off, or change the status of a point from the Graph screen, Home screen, or Program [...]

Chapter 10: Drawing 203 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 203 of 22 Draw points from the Graph screen. 1. Select AxesOn, if desired, and then clear all previous drawings. -g##b *2 1 2. Select the beginning point where you want to draw the point. 2" 1 "!$# (as necessary) 3. Draw the[...]

204 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 204 of 22 Pt-On(, Pt-Off(, and Pt-Change( from the Home Screen and Program Editor From the Home screen or the Program editor, you can draw, erase, or change a points status on the Graph screen. Pt-On( , Pt-Off( , and Pt-Change( acc[...]

Chapter 10: Drawing 205 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 205 of 22 Pxl-On(, Pxl-Off(, and Pxl-Change( Pxl-On(, Pxl-Off(, and Pxl-Change( 2 " 4, 5, and 6 4, 5, and 6 Pxl-On( , Pxl-Off( , and Pxl-Change( turn on, off, or change the status of a pixel only from the Home screen or the Progr[...]

206 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 206 of 22 pxl-Test( pxl-Test( 2 " 7 7 You can execute pxl-Test( only from the Home screen or the Program editor. pxl-Test( tests a pixel at ( row , column ) to see if it is turned on or off. If it is on, pxl-Test( returns 1. If i[...]

Chapter 10: Drawing 207 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 207 of 22 StorePic StorePic 2 " " 1 1 You can execute StorePic only from the Home screen or Program editor. You can store up to three pictures, each of which is an image of the current graph display, in picture variables Pic[...]

208 Chapter 10: Drawing 7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 208 of 22 RecallPic RecallPic 2 " " 2 2 You can execute RecallPic only from the Home screen or Program editor. Use RecallPic to recall the graph picture stored in the picture variables Pic1 , Pic2 , or Pic3 . RecallPic accep[...]

7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 209 of 12 Trigonometry Trigonometry The - u TRIG Menu ................................................... 210 Trig Functions - u 1, 3, and 5 .......................... 210 Inverse Trig Functions - u 2, 4, and 6 ............... 211 Angle M[...]

210 Chapter 11: Trigonometry 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 210 of 12 The - u TRIG Menu The - u TRIG (trigonometry) menu accesses the trigonometric (trig) functions ( sin( , cos( , tan( ) and their inverses ( sin -1 ( , cos -1 ( , tan -1 ( ). -u The sine, cosine, and t[...]

Chapter 11: Trigonometry 211 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 211 of 12 Hint: This chapters section entitled Graphing Trig Functions contains an example which graphs and traces Y 1 =tan(X) to show undefined Y values for the function. Inverse Trig Functions Inver[...]

212 Chapter 11: Trigonometry 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 212 of 12 To perform a trig calculation, select the Angle mode for your value and then select the function. In Radian Angle mode, angles are often defined in terms of p . Calculate sin(30) in both degrees and [...]

Chapter 11: Trigonometry 213 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 213 of 12 In Degree Angle mode, calculate tan - 1 (1). Check your answer. 1 . Select the Degree Angle mode. .##b 2. Return to the Home screen, and clear it, if desired. -l: 3. Enter tan -1 (1) . -u 6 1 Eb 4. U[...]

214 Chapter 11: Trigonometry 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 214 of 12 Graphing Trig Functions In addition to using the calculator to solve trig functions numerically, as described so far in this chapter, you can solve trig functions graphically. For more information on[...]

Chapter 11: Trigonometry 215 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 215 of 12 6. Use the table to check your result. Set TblStart=90 , @ Tbl=60 , Indpnt=Auto and Depend=Auto . -f 90 # 60 -i $ or # , as necessary The - u ANGLE Menu The ANGLE menu lets you specify the unit (degr[...]

216 Chapter 11: Trigonometry 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 216 of 12 Using Using ¡ and and r to Specify Degrees and Radians to Specify Degrees and Radians - u " 1 and 4 1 and 4 Normally, angles are interpreted according to the Angle mode setting. However, you ca[...]

Chapter 11: Trigonometry 217 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 217 of 12 Converting between Degrees and Radians Converting between Degrees and Radians Set the Angle mode to the unit you want to convert to because results are displayed according to the Angle mode setting. [...]

218 Chapter 11: Trigonometry 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 218 of 12 Entering Angles in DMS Notation Entering Angles in DMS Notation - u " 1, 2, and 3 1, 2, and 3 DMS (degrees ¡ minutes ' seconds " ) is often used for angles involving latitude and long[...]

Chapter 11: Trigonometry 219 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 219 of 12 5. Calculate sin(30 ¡ 10'23") . -l -£b In Radian mode, if you enter an angle only ( without a trig function ) in DMS notation (as shown in the following example), the angle is interpreted[...]

220 Chapter 11: Trigonometry 7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02 AM Page 220 of 12 8 DMS DMS - u " 5 5 To convert angles to DMS notation, use 8 DMS from the - u ANGLE menu. angle 8 DMS Entering ¡ overrides Radian mode. For example, if you enter 50 ¡8 DMS in Radian mode, the [...]

7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 221 of 32 Programming Programming What Is a Program? ........................................................... 223 Steps for Creating a Program ........................................... 223 Creating and Naming a New Program ...........[...]

222 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 222 of 32 The 8 I/O Menu ........................................................... 241 Input 8 " 1 ......................................................... 242 Prompt 8 " 2 .........................[...]

Chapter 12: Programming 223 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 223 of 32 What Is a Program? A program is a series of one or more programming commands to be executed by the calculator. Each command is an expression or instruction and begins with a colon (:). The number and s[...]

224 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 224 of 32 Creating and Naming a New Program You create a new program by selecting 1:Create New from the 8 NEW menu. You then are prompted to name the new program. 8"" 1:Create New Creates a new program[...]

Chapter 12: Programming 225 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 225 of 32 3. Enter PROGRAM1 at the cursor. -t P b R b O b G b R b A b M b 1 Done b 4. Display the Program editor with the name of the program on the top line. b The Program Editor The Program Editor You use the [...]

226 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 226 of 32 8" prgmName  or  8"" 1 -t prgmName Done bb Entering Program Commands The calculator contains built-in programming commands on three menus. You access these menus by pressing 8 from[...]

Chapter 12: Programming 227 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 227 of 32 • 2 DRAW (excludes 8:Pen) • 1 MATH (excludes 6:Solver) • ( MEMORY (excludes 2:SetFactors) Exiting the Program Editor Pressing & , ' , * , - Ÿ , - l , or 3 exits the Program editor and d[...]

228 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 228 of 32 1:If Creates a conditional test. 2:Then Executes commands when If condition is true. 3:Else Executes commands when If condition is false. 4:For( Creates an incrementing loop. 5:While Creates a conditio[...]

Chapter 12: Programming 229 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 229 of 32 If If 8 1 1 Use If to execute one command depending upon condition . If condition is true (non-zero), then command1 is executed. If condition is false (zero), then command1 is skipped. If instructions [...]

230 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 230 of 32 Write a program named TEST that tests the values of variable X . If X <10, manipulate X and Y and then display both values. If X  10, then display X and Y (without manipulating them). PROGRAM:TES[...]

Chapter 12: Programming 231 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 231 of 32 Write a program named TESTELSE that tests an input value, X . If X <0, then square it and store it to Y . If X  0, then store it to Y . Display X and Y . PROGRAM:TESTELSE :Input "X=",X [...]

232 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 232 of 32 While While 8 5 5 Use While to test condition before the commands in the loop are executed. While performs a block of commands WHILE condition is true (non-zero). condition is frequently a relational t[...]

Chapter 12: Programming 233 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 233 of 32 Write a program named RPTLOOP that increments two variables, I and J , and displays the value of J while I  6. PROGRAM:RPTLOOP :0 " I :0 " J :Repeat I | 6 :J+1 " J :I+1 " I :End [...]

234 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 234 of 32 Write a program named PAUSE that stores a value to A , an equation to Y 1 , graphs Y 1 using standard WINDOW values ( ZStandard ), pauses, and then displays A . PROGRAM:PAUSE :2 " A :FnOff :"[...]

Chapter 12: Programming 235 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 235 of 32 IS>( IS>( 8 A A IS>( (increment and skip if greater than) is used for testing and branching. IS>( adds 1 to variable . If the answer is > value (which can be an expression), then command[...]

236 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 236 of 32 Write a program named DSKIP that displays A until A <5. PROGRAM:DSKIP :9 " A :Lbl S :Disp A :Pause :DS<(A,5) :Goto S :Disp "A IS NOW < 5 " :Pause Menu( Menu( 8 C C Menu( generat[...]

Chapter 12: Programming 237 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 237 of 32 The program above pauses until you select 1, 2, 3, 4, 5, 6, or 7. If you select 2:FEBRUARY 19 , for example, the menu disappears and the program continues execution at Lbl B . SetMenu( SetMenu( 8 D D L[...]

238 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 238 of 32 Write a program named SETMENU that displays a menu of animal weights. Label the title  WEIGHTS , show weight values of five different animals, and allow the user to change the weight values. PROG[...]

Chapter 12: Programming 239 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 239 of 32 PROGRAM:VOLUME :Input "DIAMETER=",D :Input "HEIGHT=",H :prgmCALCAREA :A ¦ H Ü V :Disp "VOLUME=",V :Pause PROGRAM:CALCAREA :D/2 Ü R : p ¦ R Ü A :Return Return Return 8[...]

240 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 240 of 32 PROGRAM:STOP :Input "T=",T :If T  20 :Then :Disp "T  20" :Pause :Else :Stop DelVar DelVar 8 H H DelVar (delete variable) deletes the contents of variable from memory. You cann[...]

Chapter 12: Programming 241 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 241 of 32 For a detailed description of each graph style, see Chapter 9: Function Graphing. Write a program named GRPHSTYL that defines the shade below graph style for Y 1 =2X+5 and graphs it. PROGRAM:GRPHSTYL :[...]

242 Chapter 12: Programming 12PROG~1.DOC CH 12 Programming, English Julie Hewlett Revised: 02/07/01 11:31 AM Printed: 02/08/01 1:11 PM Page 242 of 32 5:DispTable Displays the current table. 6:Output( Displays text or values at a specified position. 7:getKey Checks the keyboard for a keystroke. 8:ClrScreen Clears the Home screen. 9:ClrTable Clears t[...]

Chapter 12: Programming 243 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 243 of 32 Write a program named INPUTVAR that inputs two sets of data and a function, and then solves the function using both of the data sets. PROGRAM:INPUTVAR :Input "Y =",Y :Input "A=",A :[...]

244 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 244 of 32 Prompt Prompt 8 " 2 2 During program execution, Prompt displays the specified variables followed by =? , one at a time on separate lines. During program execution, the user enters a value or expre[...]

Chapter 12: Programming 245 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 245 of 32 Write a program named DISPNOTE that displays the messages,  I LOVE MATH  and  TEST1 GRADE=95 . PROGRAM:DISPNOTE :Disp "I LOVE MATH" :Pause :Disp "TEST1 GRADE=",95 :Pause[...]

246 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 246 of 32 Write a program named OUTPUT that writes the contents of B to a specific area on the screen. PROGRAM:OUTPUT :3+5 " B :ClrScreen :Output(5,4,"ANSWER: ") :Output(5,12,B) :Pause getKey getK[...]

Chapter 12: Programming 247 12PROG~1.DOC CH 12 Programming, English Julie Hewlett Revised: 02/07/01 11:31 AM Printed: 02/08/01 1:12 PM Page 247 of 32 Write a program named GETKEY that displays the key code for the last key pressed, represented as variable K . End the program when K =45 ( : ). PROGRAM:GETKEY :Lbl A :0 " K :While K=0 :getKey &qu[...]

248 Chapter 12: Programming 12PROG~1.DOC CH 12 Programming, English Julie Hewlett Revised: 02/07/01 11:31 AM Printed: 02/08/01 1:12 PM Page 248 of 32 :Get( variable ) Send( sends the contents of variable to the CBL 2/CBL or CBR. You cannot use it to send to another TI N 73. variable can be a real number, list element, list name, Y n variable, or pi[...]

Chapter 12: Programming 249 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 249 of 32 Inserting, Deleting, and Editing Command Lines Inserting, Deleting, and Editing Command Lines • To insert a new command line anywhere in the program, place the cursor where you want the new character[...]

250 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 250 of 32 Then follow these steps: 1. Position the cursor where you want the copy of the program to begin. 2. Press - P . Rcl is displayed on the bottom line of the Program editor. 3. Press 8 " " to di[...]

Chapter 12: Programming 251 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 251 of 32 8"" (from the Program editor only) When prgm name is encountered during execution, the next command that the program executes is the first command in the subroutine. It returns to the subsequ[...]

252 Chapter 12: Programming 7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02 AM Page 252 of 32 8 (except from the Program editor) Breaking Out of a Program Breaking Out of a Program To stop program execution, press ^ . The ERR:BREAK menu is displayed. • To return to the Home screen, select 1:Q[...]

APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 253 of 22 Communication Link and the CBL/CBR Application TI N 73 Link Capabilities ...................................................... 254 Linking to Another Calculator ................................... 254 Linkin[...]

254 Chapter 13: Link and the CBL à CBR Application 13apps.doc Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 01/17/02 10:58 AM Printed: 01/17/02 11:10 AM Page 254 of 22 TI-73 Link Capabilities The TI N 73 comes with a unit-to-unit link cable. With this cable, you can connect to and communicate with another TI N 73, a TI N[...]

Chapter 13: Link and the CBL à CBR Application 255 APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 255 of 22 • You can only transfer numerical list data stored in L 1 – L 6 or user-named numerical lists to a TI N 83 (NOT categorical lists). All fractional eleme[...]

256 Chapter 13: Link and the CBL à CBR Application APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 256 of 22 1:All+… Displays all RAM items as selected. 2:All–… Displays all RAM items as deselected. 3:Prgm… Displays all program names. 4:List… Displays all[...]

Chapter 13: Link and the CBL à CBR Application 257 APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 257 of 22 To select data items to send from the sending unit to another calculator, follow these steps: 1. Press 9 to display the APPLICATIONS menu. 2. Select 1:Link [...]

258 Chapter 13: Link and the CBL à CBR Application APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 258 of 22 To set up the TI N 73 to receive data, follow these steps: 1. Press 9 to display the APPLICATIONS menu. 2. Select 1:Link and press " to display the Lin[...]

Chapter 13: Link and the CBL à CBR Application 259 APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 259 of 22 During transmission, if the receiving unit does not have sufficient memory to receive an item, the Memory Full menu is displayed on the receiving unit. • [...]

260 Chapter 13: Link and the CBL à CBR Application APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 260 of 22 • When you select 1:Rename , the Name= prompt is displayed, and you can enter another appropriate variable name using the - } menu (for example, renaming [...]

Chapter 13: Link and the CBL à CBR Application 261 APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 261 of 22 • You attempt a data transfer from a TI N 73 to a TI N 83 with data other than numerical lists, L 1 - L 6 , or user-named numerical lists, or without usin[...]

262 Chapter 13: Link and the CBL à CBR Application 13apps.doc Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 01/17/02 10:58 AM Printed: 01/17/02 11:09 AM Page 262 of 22 Upgrading your TI-73 Graph Explorer Software You can upgrade the software, or operating system, on your TI N 73. You do this by transferring this software[...]

Chapter 13: Link and the CBL à CBR Application 263 13apps.doc Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 01/17/02 10:58 AM Printed: 01/17/02 11:09 AM Page 263 of 22 1. Transfer the software from the web site to your computer. 2. Transfer the software from the computer to your unit. Backing Up Your Unit before an Insta[...]

264 Chapter 13: Link and the CBL à CBR Application APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 264 of 22 Steps for Running the CBL à CBR Application Follow these basic steps when using the CBL à CBR application. You may not have to do all of them each time. S[...]

Chapter 13: Link and the CBL à CBR Application 265 APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 265 of 22 Selecting the CBL/CBR Application You access the CBL/CBR application by pressing 9 . In order to use a CBL/CBR application, you need a CBL 2/CBL or CBR (as [...]

266 Chapter 13: Link and the CBL à CBR Application APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 266 of 22 9 2 b 1:GAUGE Represents results as either a bar or meter. Compatible with CBL 2/CBL or CBR. 2:DATA LOGGER Represents results as a Temp-Time, Light-Time, Vo[...]

Chapter 13: Link and the CBL à CBR Application 267 APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 267 of 22 1 The GAUGE data collection method lets you choose one of four different probes: Temp , Light , Volt , or Sonic . You can use the CBL 2/CBL with all probes;[...]

268 Chapter 13: Link and the CBL à CBR Application APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 268 of 22 MIN and MAX MIN and MAX refer to the minimum and maximum UNIT values for the specified PROBE . Defaults are listed in the table on page 267. See the CBL 2/C[...]

Chapter 13: Link and the CBL à CBR Application 269 APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 269 of 22 Probe Comment Labels ( X ) Stored to: Data Results ( Y ) Stored to: Temp ¨ TCMNT ¨ TEMP Light ¨ LCMNT ¨ LIGHT Volt ¨ VCMNT ¨ VOLT Sonic ¨ DCMNT ¨ DI[...]

270 Chapter 13: Link and the CBL à CBR Application APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 270 of 22 The DATA LOGGER data collection method lets you choose one of four different probes: Temp , Light , Volt , or Sonic . You can use the CBL 2/CBL with all pro[...]

Chapter 13: Link and the CBL à CBR Application 271 APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 271 of 22 INTRVL (SEC) INTRVL (SEC) specifies the interval in seconds between each data sample that is collected. For example, if you want to collect 99 samples and I[...]

272 Chapter 13: Link and the CBL à CBR Application APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 272 of 22 Data Collection Results The calculator automatically converts all collected data points into list elements using the following list names (you cannot rename[...]

Chapter 13: Link and the CBL à CBR Application 273 APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 273 of 22 9 2 b 3 b For detailed information about the RANGER program as well as option explanations, see the Getting Started with CBR è guidebook. Note : If you exe[...]

274 Chapter 13: Link and the CBL à CBR Application APPS.DOC Chapter 13: Link and CBL/CBR Application, English Julie Hewlett Revised: 02/07/01 10:34 AM Printed: 02/07/01 10:35 AM Page 274 of 22 • If DIRECTNS=Off , GAUGE and DATA LOGGER data collection begin immediately. • If DIRECTNS=On , the calculator displays step-by-step directions. If PROB[...]

7314ENG.DOC CH 14 Memory Management, English Julie Hewlett Revised: 05/26/98 12:40 PM Printed: 05/19/99 9:03 AM Page 275 of 8 Memory Memory Management Management The - Ÿ MEMORY Menu .......................................... 276 About - Ÿ 1....................................................... 276 Check RAM - Ÿ 2 ...............................[...]

276 Chapter 14: Memory Management 7314ENG.DOC CH 14 Memory Management, English Julie Hewlett Revised: 05/26/98 12:40 PM Printed: 05/19/99 9:03 AM Page 276 of 8 The - Ÿ MEMORY Menu At any time, you can check available memory or manage existing memory by selecting items from the - Ÿ MEMORY menu. -Ÿ 1:About Displays information about the calculator[...]

Chapter 14: Memory Management 277 7314ENG.DOC CH 14 Memory Management, English Julie Hewlett Revised: 05/26/98 12:40 PM Printed: 05/19/99 9:03 AM Page 277 of 8 Check RAM Check RAM - Ÿ 2 2 Check RAM displays the MEM FREE screen. The top line reports the total amount of available memory. The remaining lines report the amount of memory each variable [...]

278 Chapter 14: Memory Management 7314ENG.DOC CH 14 Memory Management, English Julie Hewlett Revised: 05/26/98 12:40 PM Printed: 05/19/99 9:03 AM Page 278 of 8 -Ÿ 3 Delete Delete - Ÿ 4 4 To increase available RAM memory or application space, you can delete the contents of any type of system variable. You also can delete applications or the applic[...]

Chapter 14: Memory Management 279 7314ENG.DOC CH 14 Memory Management, English Julie Hewlett Revised: 05/26/98 12:40 PM Printed: 05/19/99 9:03 AM Page 279 of 8 List - Ÿ 4 3 In addition to deleting lists from the DELETE:List menu, you also can delete IDList . The IDList stores any additional IDs that have been collected from other calculators (usin[...]

280 Chapter 14: Memory Management 7314ENG.DOC CH 14 Memory Management, English Julie Hewlett Revised: 05/26/98 12:40 PM Printed: 05/19/99 9:03 AM Page 280 of 8 You can execute Clear Home from either the Home screen or the Program editor. If you select Clear Home from the Program editor, it is inserted at the cursor location. The Home screen and all[...]

Chapter 14: Memory Management 281 7314ENG.DOC CH 14 Memory Management, English Julie Hewlett Revised: 05/26/98 12:40 PM Printed: 05/19/99 9:03 AM Page 281 of 8 Resetting All Memory - Ÿ 7 1 Resetting all RAM memory on the TI N 73 restores the memory to the factory settings. It deletes all non-system variables and all programs. It resets all system [...]

282 Chapter 14: Memory Management 7314ENG.DOC CH 14 Memory Management, English Julie Hewlett Revised: 05/26/98 12:40 PM Printed: 05/19/99 9:03 AM Page 282 of 8 Resetting Defaults - Ÿ 7 2 When you reset defaults on the TI N 73, all defaults are restored to the factory settings. Stored data and programs are not changed. Some examples of the TI N 73 [...]

73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 283 of 36 F unc tion and Instruc tion Ref er enc e All the operations in this section are included in the CATALOG ( - | ). Non-alphabetic operations (such as +, !, and >) are listed at the end of the CATALOG . You alw[...]

284 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 284 of 36 abs( value ) 1 NUM Returns the absolute value of a real number, expression, or each element of a list. abs( M 35) b 35 conditionA and conditionB -t Logic (bool[...]

Appendix A: Function and Instruction Reference 285 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 285 of 36 BoxPlot See Plot1 : B ox Plot Circle( X , Y , radius ) 2 Draws a circle with center ( X , Y ) and radius, a real number. C lrDraw b Don e C ircle(0,0,7) b Clea[...]

286 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 286 of 36 CoordOff CoordOn  -g WINDOW format settings; turns off or on cursor coordinates so th at they are not displayed at the bottom of the graph. cos( value ) -u [...]

Appendix A: Function and Instruction Reference 287 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 287 of 36 DependAuto  -f Selects the Depend: Auto TABLE SETUP format setting. Table automatically displays dependent variable ( Y ) values. DiagnosticOff DiagnosticOn[...]

288 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 288 of 36 DispTable  8 I/O Programming command (display table); displays the table for all defined and selected Y n functions during program execution. PR OGRA M:TA B[...]

Appendix A: Function and Instruction Reference 289 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 289 of 36 ExpReg [ XList , YList , freq , Y ] -v CALC Fits the equation (y=ab ) to XList and YList with frequency list, freq , and stores the regression equation to Y . [...]

290 Appendix A: Function and Instruction Reference 99APPX-A.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 02/07/01 11:23 AM Page 290 of 36 FnOff [ 1,2,3,4 ] FnOn [ 1,2,3,4 ] -} 2:Y-Vars Turns off (deselects) or on (selects) all Y n functions or specified Y n functions ( Y 1 , Y 2 , Y 3 , or Y 4 [...]

Appendix A: Function and Instruction Reference 291 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 291 of 36 Goto label  8 CTL Programming command; transfers program control to the label specified by preceding label instruction. PR OGRA M:GOTO :Lbl 99 :Input A :If [...]

292 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 292 of 36 If–Then : If condition : Then : block (if true) : End  8 CTL Programming commands; if condition is true (non-zero), then block is executed. If condition i[...]

Appendix A: Function and Instruction Reference 293 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 293 of 36 Input Input [ variable ] Input [" text ", variable ]  8 I/O Programming command; Input , with no arguments, displays the current graph. O therwise[...]

294 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 294 of 36 ¨ listname -v OPS List signifier; precedes all user-created names when displayed outside of the List editor. {1,2,3} ܨ ABC b {1 2 3} ¨ AB C b {1 2 3} Labe[...]

Appendix A: Function and Instruction Reference 295 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 295 of 36 LinReg(ax+b) [ XList , YList , freq , Y ] -v CALC Fits the linear equation (y=ax +b) to XList and YList with frequency list, freq , and stores the regression e[...]

296 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 296 of 36 Manual-Fit [ Y ] -v CALC Allows you to fit manually a line to plotted data. The regression equation is stored to Y , if specified. {1,3,4,5,5,7,8,9} Ü L 3 b D[...]

Appendix A: Function and Instruction Reference 297 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 297 of 36 median( list [, freq ] ) -v MATH Returns the median (the middle element) of list . If a second list, freq , is specified, it is interpreted as the frequency of[...]

298 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 298 of 36 mode( list [ , freq ] ) -v MATH Returns the mode (element which occurs most frequently) of list . If a second list, freq , is specified, it is interpreted as t[...]

Appendix A: Function and Instruction Reference 299 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 299 of 36 conditionA or conditionB -t Logic (boolean) operator; returns 1 if either conditionA or conditionB is true (non-zero). Returns 0 if both conditionA or conditio[...]

300 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 300 of 36 Scatter Plot Ô xyLine Plot Ó Plot n ( Scatter, Xlist,Ylist [ ,mark ]) Plot n ( xyLine, Xlist,Ylist [ ,mark ]) The optional mark (  , +, or ¦ ) specifies [...]

Appendix A: Function and Instruction Reference 301 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 301 of 36 prgm name  8 CTRL Programming command; calls prgm name as a subroutine in an existing program. name can be a program not yet created. PR OGRA M:VOLUME :Inpu[...]

302 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 302 of 36 pxl-Test( row,column ) 2 POINTS Returns 1 if pixel at ( row , column ) is on; returns 0 if it is off; 0  row  6 2 , and 0  column  94. P xl-On(10 ,[...]

Appendix A: Function and Instruction Reference 303 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 303 of 36 remainder( dividend , divisor ) remainder( list , divisor ) remainder( dividend , list ) remainder( list , list ) 1 NUM Returns the remainder resulting from th[...]

304 Appendix A: Function and Instruction Reference 99APPX-A.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 02/07/01 11:23 AM Page 304 of 36 Select( XList , YList ) -v OPS Selects one or more specific data points from a Scatter or xyLine stat plot, and updates the lists in memory as specified by X[...]

Appendix A: Function and Instruction Reference 305 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 305 of 36 SetMenu( " title "," item1",variable1 [," item2 " , variable2 ] )  8 CTL Sets up a menu with title (1  characters  16[...]

306 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 306 of 36 sin L 1 ( value ) -u TRIG Returns the arcsine of a real number, expression, or each element of a list. M 1  value  1 . Results are determined by the Angl[...]

Appendix A: Function and Instruction Reference 307 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 307 of 36 Stop  8 CTL Programming command; ends program execution and returns to Home screen. PR OGRA M:ST OP :Input "T =", T :If T  20 :T hen :D isp &qu[...]

308 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 308 of 36 Text( row , column , ["] text [" ] ) 2 DRAW Draws text (functions, variables, or text instructions) on the G raph screen when a graph is displayed. 0[...]

Appendix A: Function and Instruction Reference 309 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 309 of 36 2-Var Stats [ XList , YList , freq ] -v CALC Analyzes and returns data for two lists, XList and YList , with two measured variables, X , the independent variab[...]

310 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 310 of 36 ZBox ( ZOOM Displays a graph, lets you (in teractively) draw a box that defines a new viewing WINDOW , and then updates the WINDOW . Define Y =Xsin(X). Set the[...]

Appendix A: Function and Instruction Reference 311 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 311 of 36 ZInteger ( ZOOM Lets you select a new center point, and then sets @ X=1 , @ Y=1 , Xscl=10 , Yscl=10 . Replots the graph immediately. D efine Y =X, graph using [...]

312 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 312 of 36 Zoom Out ( ZOOM Displays a greater portion of the graph, centered on the cursor location. M ove the cursor keys, and press b to select new center point. Define[...]

Appendix A: Function and Instruction Reference 313 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 313 of 36 ZoomStat ( ZOOM Redefines the viewing WINDOW so that all statistical data points are displayed. ZoomStat also selects an appropriate scale, if one exists, for [...]

314 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 314 of 36 Select Z Square. Return to the Hom e scr een. Circle(0,0 ,7) b ZStandard ( ZOOM Rep lots the f unctions immediat ely , s etti ng the WINDOW variables to th e d[...]

Appendix A: Function and Instruction Reference 315 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 315 of 36 angle r -u ANGLE Specifies an angle as radians, regardless of the current Angle mode setting. In R adian mode: 50 b 50 50 4 DMS b 2864 ¡ 47'20.312" [...]

316 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 316 of 36  + ¦ See Plot1 : xyLine, Scatter, and M odified B ox Plot: mark PersonIcon ( Î ) TreeIcon ( Ç ) DollarIcon ( È ) FaceIcon ( É ) PieIcon ( Ï ) DiamondI[...]

Appendix A: Function and Instruction Reference 317 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 317 of 36  ( value ) -z Calculates the square root of value, which can be a positive real number, an expression that results in a positive real number, or a list of p[...]

318 Appendix A: Function and Instruction Reference 73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed: 05/19/99 9:03 AM Page 318 of 36 " -t -u ANGLE Surrounds categorical list elements and list formulas that are attached to a list name. Surrounds text displayed on the G raph display using[...]

73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 319 of 20 Reference Reference Information Information The TI N 73 Menu Map......................................................... 320 The VARS Menu - } ............................................... 329 Equation Operating Syst[...]

320 Appendix B: Reference Information 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 320 of 20 The TI N 73 Menu Map The TI N 73 menu map begins at the top-left corner of the keyboard and follows the keyboard layout from left to right. Default values and settings are shown. &a[...]

Appendix B: Reference Information 321 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 321 of 20 - f- f (in Program editor) TABLE SETUP TblStart=0 @ Tbl=1 Indpnt:Auto Ask Depend:Auto Ask TABLE SETUP Indpnt:Auto Ask Depend:Auto Ask ( ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÂÄÄÄÄÄ?[...]

322 Appendix B: Reference Information 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 322 of 20 1 ÚÄÄÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄÄÄÄÄ¿ MATH 1:lcm( 2:gcd( 3: 3 4: 3  ( 5: x  6:Solver… NUM 1:abs( 2:round( 3:iPart( 4:fPart( 5:min( 6:max[...]

Appendix B: Reference Information 323 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 323 of 20 8 ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ EXEC 1: name1 2: name2 … EDIT 1: name1 2: name2 … NEW 1:Create New 8 (in Program editor) ÚÄÄÄÄÄÄÄÄÄÄÄÄ?[...]

324 Appendix B: Reference Information 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 324 of 20 - | CATALOG A § b/c 4 Ab à c / d à e abs( … sin( sin L 1( SingleConst SortA( … p ? 9 APPLICATIONS ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ 1:Link 2:CBL à CBR ÚÄ?[...]

Appendix B: Reference Information 325 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 325 of 20 - } VARS 1:Window… 2:Y-Vars… 3:Statistics… 4:Picture… 5:Table… 6:Factor - } 1:Window - } 2:Y-Vars WINDOW 1:Xmin 2:Xmax 3:Xscl 4:Ymin 5:Ymax 6:Yscl 7:Xres 8: @ X 9: @ Y 0:X[...]

326 Appendix B: Reference Information 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 326 of 20 - } 4:Picture - } 5:Table 1:Pic1 (Empty) 2:Pic2 (Empty) 3:Pic3 (Empty) TABLE 1:TblStart 2: @ Tbl - ‚ CONVERSIONS 1:Length… 2:Area… 3:Volume… 4:Time… 5:Temp… 6:Mass à We[...]

Appendix B: Reference Information 327 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 327 of 20 - † - † (in Program editor) Set Constant: Single Multiple C 1 = C 2 = C 3 = C 4 = SET CONSTANTS 1:SetConst( 2:SingleConst 3:MultiConst - Ÿ MEMORY 1:About 2:Check RAM… 3:Check[...]

328 Appendix B: Reference Information 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 328 of 20 - ‚ 4:Delete DELETE FROM… 1:All… 2:Real… 3:List… 4:Y-Vars… 5:Consts… 6:Prgm… 7:Pic… 8:Apps… 9:AppVars… - ‚ 7:Reset RESET ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ[...]

Appendix B: Reference Information 329 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 329 of 20 The VARS Menu - } Access system variables through the VARS menu ( - } ). You can enter the names of functions and system variables in an expression or store values to them directly.[...]

330 Appendix B: Reference Information 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 330 of 20 Equation Operating System (EOS é ) The Equation Operating System (EOS) defines the order in which functions and expressions are entered and evaluated on the TI N 73. Within a prior[...]

Appendix B: Reference Information 331 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 331 of 20 In Case of Difficulty If Suggested Action You cannot see anything on the display. Press - $ to darken or - # to lighten the display contrast. The LOW BATTERY message is displayed on[...]

332 Appendix B: Reference Information 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 332 of 20 Correcting an Error When the TI N 73 detects an error, it returns an error message as a menu title, such as ERR:SYNTAX or ERR:DIM MISMATCH . To correct an error, follow these steps:[...]

Appendix B: Reference Information 333 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 333 of 20 Error Type Possible Causes and Suggested Remedies ARGUMENT A function or instruction does not have the correct number of arguments. See Appendix A and the appropriate chapter. BAD G[...]

334 Appendix B: Reference Information 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 334 of 20 Error Type Possible Causes and Suggested Remedies DIVIDE BY 0 You attempted to divide by 0. This error is not returned during graphing. The TI N 73 allows for undefined values on a [...]

Appendix B: Reference Information 335 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 335 of 20 Error Type Possible Causes and Suggested Remedies ILLEGAL NEST You attempted to use an invalid function in an argument to a function, such as seq( within expression for seq( . Can o[...]

336 Appendix B: Reference Information 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 336 of 20 Error Type Possible Causes and Suggested Remedies MEMORY Memory is insufficient to perform the instruction or function. You must delete items from memory (Chapter 13: Memory Managem[...]

Appendix B: Reference Information 337 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 337 of 20 Error Type Possible Causes and Suggested Remedies SINGULARITY expression in the Equation Solver contains a singularity (a point at which the function is not defined). Examine a grap[...]

338 Appendix B: Reference Information 73B-ENG.DOC Appx B Reference Information, English Julie Hewlett Revised: 07/14/98 3:58 PM Printed: 05/19/99 9:04 AM Page 338 of 20 Error Type Possible Causes and Suggested Remedies WINDOW RANGE A problem exists with the WINDOW variables. • You defined Xmax  Xmin or Ymax  Ymin . • WINDOW variables are [...]

99APPX-C.DOC Appx C:Battery/Ser vice and Warr anty Infor mation, Engli s h Bob Fedorisk o Revis ed: 06/10/03 8:09 AM Printed: 06/10/03 8:51 AM Page 339 of 6 B BB Ba aa at tt tt tt te ee er rr ry yy y à S SS Se ee er rr rv vv vi ii ic cc ce ee e a aa an nn nd dd d W WW Wa aa ar rr rr rr ra aa an nn nt tt ty yy y I II In nn nf ff fo oo or rr rm mm m[...]

340 Appendix C: Service and Warranty Information 99APPX-C.DOC Appx C:Battery/Service and Warranty Information, English Julie Hewlett Revised: 02/27/01 4:35 PM Printed: 02/28/01 11:29 AM Page 340 of 6 Battery Information The TI N 73 uses four AAA alkaline batteries and has a user- replaceable backup lithium battery (CR1616 or CR1620). When to Replac[...]

Appendix C: Service and Warranty Information 341 99APPX-C.DOC Appx C:Battery/Service and Warranty Information, English Julie Hewlett Revised: 02/27/01 4:35 PM Printed: 02/28/01 11:29 AM Page 341 of 6 Replacing the Batteries 1. Turn off the calculator. Replace the slide cover over the keyboard to avoid inadvertently turning on the calculator. Turn t[...]

342 Appendix C: Service and Warranty Information 99APPX-C.DOC Appx C:Battery/Ser vice and Warr anty Infor mation, Engli s h Bob Fedorisk o Revis ed: 06/10/03 8:09 AM Printed: 06/10/03 8:51 AM Page 342 of 6 T TT Te ee ex xx xa aa as ss s I II In nn ns ss st tt tr rr ru uu um mm me ee en nn nt tt ts ss s ( (( (T TT TI II I) )) ) S SS Su uu up pp pp p[...]

Appendix C: Service and Warranty Information 343 99APPX-C.DOC Appx C:Battery/Service and Warranty Information, English Julie Hewlett Revised: 02/27/01 4:35 PM Printed: 02/28/01 11:29 AM Page 343 of 6 Customers in the U.S. and Canada Only One-Year Limited Warranty for Commercial Electronic Product This Texas Instruments electronic product warranty e[...]

344 Appendix C: Service and Warranty Information 99APPX-C.DOC Appx C:Battery/Service and Warranty Information, English Julie Hewlett Revised: 02/27/01 4:35 PM Printed: 02/28/01 11:29 AM Page 344 of 6 Australia & New Zealand Customers only One-Year Limited Warranty for Commercial Electronic Product This Texas Instruments electronic product warra[...]

345 Index 73IDXENG.DOC TI-73 Index, English Julie Hewlett Revised: 07/29/98 3:43 PM Printed: 05/19/99 9:04 AM Page 345 of 12 Index Index ! (factorial), 52 " (seconds), 216 ¡ (degrees), 216 ¨ (list signifier), 101  (relational operator), 32 x (statistical result variable), 136 @ List( , 97 #SAMPLES DATA LOGGER , 270 @ Tbl definition, 153 s[...]

346 Index 99INDEX.DOC TI-73 Index, English Julie Hewlett Revised: 07/29/98 3:43 PM Printed: 02/07/01 11:25 AM Page 346 of 12 –C– cable, unit-to-unit. See unit-to- unit cable CALC ( - v ) menu, 133 CATALOG , 14 CategList , 113 Bar graph, 118 Pictograph, 117 Pie chart, 120 categorical lists, 81 signifier, c , 85 CBL 2/CBL, 247, 254 CBL/CBR App st[...]

Index 347 73IDXENG.DOC TI-73 Index, English Julie Hewlett Revised: 07/29/98 3:43 PM Printed: 05/19/99 9:04 AM Page 347 of 12 –D– (continued) defaults, resetting, 282 degrees DMS , 216 trig, 211 Delete (Memory Menu), 278 DelVar , 240 denominator, 58 Depend (tables) Ask , 156 Auto , 155, 156, 157 definition, 153 DependAsk , 161 DependAuto , 161 d[...]

348 Index 73IDXENG.DOC TI-73 Index, English Julie Hewlett Revised: 07/29/98 3:43 PM Printed: 05/19/99 9:04 AM Page 348 of 12 –E– (continued) Entry line lists, 79 tables, 154, 160 Text editor, 8 Equation Operating System (EOS), 15, 330 Equation Solver, 38 bound , 41 Solve , 41 error messages, 332 transmission, 260 errors, correcting, 332 EXEC ( [...]

Index 349 99Index.doc TI-73 Index, English Julie Hewlett Revised: 01/17/02 11:00 AM Printed: 01/17/02 11:18 AM Page 349 of 12 –G– (continued) graphing, function. See function graphing GraphStyle( , 240 greatest common divisor (GCD), 36 GridOff , 172 GridOn , 172 –H– Histogram, 121 Home screen, 5 Hor (stat plot option), 113 Bar graph, 118 Pi[...]

350 Index 73IDXENG.DOC TI-73 Index, English Julie Hewlett Revised: 07/29/98 3:43 PM Printed: 05/19/99 9:04 AM Page 350 of 12 –L– (continued) lists (continued) creating, 102 deleting elements, 89 deleting from memory, 88 dependent numerical, 83 editing elements, 89 entering elements, 81 formula, deleting, 91 formula, dependent list, 83 frequency[...]

Index 351 73IDXENG.DOC TI-73 Index, English Julie Hewlett Revised: 07/29/98 3:43 PM Printed: 05/19/99 9:04 AM Page 351 of 12 –M– (continued) minutes conversions, 69 DMS , 218 minX , 136 minY , 136 mixed numbers, 58 converting to fractions, 65 mode settings 0123456789 , 24 A § b/c , 60 Autosimp , 61 b/c , 60 definition, 22 Degree , 211 Float , [...]

352 Index 73IDXENG.DOC TI-73 Index, English Julie Hewlett Revised: 07/29/98 3:43 PM Printed: 05/19/99 9:04 AM Page 352 of 12 –P– (continued) Programming Commands (continued) DelVar , 240 Disp , 244 DispGraph , 245 DispTable , 245 DS>( , 235 editing, 248 End , 233 entering, 226 For( , 231 Get( , 247 GetCalc( , 247 getKey , 246 Goto , 234 Grap[...]

Index 353 73IDXENG.DOC TI-73 Index, English Julie Hewlett Revised: 07/29/98 3:43 PM Printed: 05/19/99 9:04 AM Page 353 of 12 –R– (continued) RAM memory, 254 back up, 261, 263 resetting, 281 rand (random number), 49 randInt( (random integer), 50 RANGER program, 265, 273 Rcl (Recall), 21 with programs, 250 Real ( SEND ), 256 RealTme DATA LOGGER ,[...]

354 Index 99Index.doc TI-73 Index, English Julie Hewlett Revised: 01/17/02 11:00 AM Printed: 01/17/02 11:20 AM Page 354 of 12 –S– (continued) stat plots adjusting viewing window, 114 Bar graph, 118 defining plots, 109 deselecting Y n functions, 109 displaying, 114 drawing on, 188 editors, 111 Histogram, 121 list data, 109 main menu, 109 Modifie[...]

Index 355 73IDXENG.DOC TI-73 Index, English Julie Hewlett Revised: 07/29/98 3:43 PM Printed: 05/19/99 9:04 AM Page 355 of 12 –U– (continued) units (continued) Volume , 69 unit-to-unit cable, 254 upgrade software, 262 installing, 262 where to find, 262 –V– variables recalling, 21 VARS Menu, 329 variables, types of, 20 VARS ( - } ) Menu, 329 [...]

356 Index 73IDXENG.DOC TI-73 Index, English Julie Hewlett Revised: 07/29/98 3:43 PM Printed: 05/19/99 9:04 AM Page 356 of 12 –Z– (continued) ZoomStat , 114, 313 ZPrevious , 185 ZQuadrantI , 313 ZSquare , 313 ZStandard , 184, 314 ZTrig , 314[...]

73CALC.DOC TI-73, Inside Front Cover Bob Fedorisko Revised: 05/04/98 3:19 PM Printed: 05/19/99 9:18 AM Page 1 of 1[...]

$CALCDWG.DOC TI-73, Inside Front Cover Bob Fedorisko Revised: 05/04/98 3:19 PM Printed: 02/21/01 3:20 PM Page 2 of 2[...]