Texas Instruments 30XS MultiView manuale d’uso

Copyright © 2006 T exas Instruments Incorporated 1 TI-30XS MultiView™ and TI-30XB MultiView™ Scientific Calculator Important in formation . .......... ............. ........... ............. .......... .. 2 Examples ... ........... ............. .......... ............. ........... .......... ....... 3 Switching the TI-30XS MultiV iew calculat[...]

Copyright © 2006 T exas Instruments Incorporated 2 Constant .... ........... ............. .......... ............. ........... ............. .. 24 Memory and store d variables .............. ............. .......... ........ 26 Data editor and list fo rmulas ............. ........... ............. .......... 29 Statistics .... ........... .......[...]

Copyright © 2006 T exas Instruments Incorporated 3 Examples Each se ction is fol lowed by i nstruct ions for k eystroke examples that demonstrate the TI-30XS MultiView™ and TI-30XB MultiView functi ons. All references in this manual will refer to the TI -30XS MultiView, but are also applicable for the TI-30XB MultiView. Examples assume all defa [...]

Copyright © 2006 T exas Instruments Incorporated 4 Home screen On the Home screen, you can enter mathe matical expressions and funct ions, along with other instructions. The answers are displayed o n the Home screen. The TI-3 0XS MultiView screen can dis play a maximum of four lines with a maximum of 16 characte rs per line. For entries and expres[...]

Copyright © 2006 T exas Instruments Incorporated 5 2nd functions % Most keys can perform two functi ons. The primary function is indicated on the key and the se c ondary function is displayed above it. Press % to activate the secondary functi on of a given key . Notice that 2nd appears as an indicator on the screen. T o canc el it before entering [...]

Copyright © 2006 T exas Instruments Incorporated 6 Note : In some restrict ed env ironments (for example function table, d ata editor, and the %h menu), t he TI-30XS MultiView™ calculator may dis play E instead of à 10 n . ENG displays results as a number f r om 1 to 999 times 10 to an integer power . The integer power is always a multiple of 3[...]

Copyright © 2006 T exas Instruments Incorporated 7 Menus Certain keys display menus: H , % I , v , %t , % , %h , and %{ . Some keys may displa y more than one menu. Press " and $ to scro ll and select a menu item, or press the corresponding number next t o the menu item. T o return to the previous screen without selecting th e item, press [...]

Copyright © 2006 T exas Instruments Incorporated 8 The menu chart s hows the menu keys and the menus they display . H% I vv (Press once to display the Data editor screen. Pre ss again to display the menu .) Press v while you are in the Add/Edit Formula option of the FORMULA menu to display this menu: PRB RAND DMS R ¶ P 1: nPr 1: rand 1: Ä 1: R ?[...]

Copyright © 2006 T exas Instruments Incorporated 9 %t % %h %{ Scrolling ! " # $ Press ! or " to place the cursor horizo ntally over the expression ente red. Press % ! or % " to move the cursor directly to the beginn ing or end of the expression. After an expression is eva l uated, use # and $ to scroll through previous entries, w[...]

Copyright © 2006 T exas Instruments Incorporated 10 Examples Answer toggle n Press the n key to toggle the dis play result between fraction and decimal answers, exact square root and decimal, an d exact pi and d ecimal. Example Scroll 1 T 1 < 2 T 2 < 3 T 3 < 4 T 4 < # # # # < T 2 < Answer toggle % b 8 < n[...]

Copyright © 2006 T exas Instruments Incorporated 11 Last answer % i The most recently calculat ed result is stored to the variable Ans . Ans is retain ed in memory , even afte r the TI-30XS MultiView™ calculator is turned off. T o recall the value of Ans : •P r e s s % i ( Ans displays on th e screen), or • Press any operatio ns key ( T , U [...]

Copyright © 2006 T exas Instruments Incorporated 12 Examples 5th Exponentiation ( ^ ) and roots ( x Ñ ). Note : In Classic mode, ex ponentiation is evaluated from left to right. The expression 2^3^2 is evaluated as (2^3)^2, with a result of 64. In MathPrint™ mode, exponen tiation is evaluated from right to left. The expression 2^3^2 is evaluate[...]

Copyright © 2006 T exas Instruments Incorporated 13 Clearing and correcting Fractions q% N % j % O In the MathPrint™ mode, fractions wi th q can include operation keys ( T , V , etc.) and most functi on keys ( F , %_ , etc.). In Classic mode, fraction s with q do not allow operation keys, functio ns, or complex fr actions in the numerator or den[...]

Copyright © 2006 T exas Instruments Incorporated 14 The TI-30XS MultiView™ calcula tor defaults output to improper fractions. Results ar e automatically simplified. • q enters a simple fraction. Pre ssing q before or aft er a number can result in dif ferent behavior . Entering a number before pressing q makes that number the numerator . T o en[...]

Copyright © 2006 T exas Instruments Incorporated 15 Percentages % _% R T o perform a calculat ion involving a percentage, p r ess % _ after entering the value of the percent age. T o express a value as a percentage, press %R after the value. Example ³ Problem A mining company extract s 5000 tons of ore with a concentration of met al of 3% and 730[...]

Copyright © 2006 T exas Instruments Incorporated 16 The two extractions represent a total of 317.9 tons o f metal for a total value of 89012 dollars. x10 n key C C is a shor tcut key to enter a number in scientific notation format. Example Powers, roots and inverses T 2 8 3 % _ V 7300 < V 280 < 2 C 5 < p$"< -< F Calculates the [...]

Copyright © 2006 T exas Instruments Incorporated 17 Examples Pi g À = 3.141592653590 for calculat ions. À = 3.141592654 for display . %c Calculates the n th root of any positive value and any odd integer root of a negative value . a Gives the inverse of a value: 1/ x. The TI-30XS MultiView™ calculator evaluates expressions entered w ith F and [...]

Copyright © 2006 T exas Instruments Incorporated 18 Example ³ Problem What is the area of a circle if the radiu s is 12 cm? Reminder: A = À r 2 . The area of the circle is 144 À square cm. The area of the circle is approximately 452.4 square cm when round ed to one decimal place. Angle menu %I %I displays the ch oice of two submenus that enable[...]

Copyright © 2006 T exas Instruments Incorporated 19 Examples ³ Problem T wo adjacent angles measure 12 ¡ 31 ¢ 45 £ and 26 ¡ 54 ¢ 38 £ respectively . Add the two angles and display the result in DMS format. Round the results to two decimal places. RAD p"< - > 3 0 %I 1 E < DEG p< - 2 g% I 4 < 4 DMS S 1 8 5 %I 6 < -p$$&q[...]

Copyright © 2006 T exas Instruments Incorporated 20 The result is 39 degrees, 26 minutes and 23 seconds. ³ Problem It is known that 30 ¡ = p / 6 radians. In the default mode, degrees, find t he sine of 30 ¡ . Then set the calculator to radian mode and calculate the sine of p / 6 radians. Note : Press - to clear the screen between problems. Reta[...]

Copyright © 2006 T exas Instruments Incorporated 21 Example Convert polar coordinates (r , q )=(5, 30) into rectangu lar coordinates. T hen convert rectangular coordinates ( x , y ) = (3, 4) into polar coordinates. Round the result s to one decimal place. Converting (r , q ) = (5, 30) gives ( x , y ) = (4.3, 2.5) and ( x , y ) = (3, 4) gives (r , [...]

Copyright © 2006 T exas Instruments Incorporated 22 Example Radian Mode ³ Problem Find angle A of the right tria ngle below . Then calculate angle B and the length of the hyp otenuse c . Lengths are in meters. Round results t o one decimal pla ce. Reminder: Ta n p"<- @ gq 4 "E < Ta n -1 % 1 E< n Cos 5 V?gq 4 "E < n tan[...]

Copyright © 2006 T exas Instruments Incorporated 23 T o one decimal place, the measure of angle A is 66.8 Ä , t he measure of angle B is 23.2 Ä , and the length of th e hypotenuse is 7.6 meters. Hyperbolics % Y % Y displays the HYP indicator a nd accesses the hyperbolic function o f the next trigono metry key that you press. Angle modes do not a[...]

Copyright © 2006 T exas Instruments Incorporated 24 Logarithm and exponen tial functions AB % ] % ^ A yields the common logarithm of a number . B yields the logarithm of a number to the base e ( e 2.819291929). % ] raises 10 to the power you specify . % ^ raises e to the power you specify . Examples Constant % l % l turns Constant feature on and l[...]

Copyright © 2006 T exas Instruments Incorporated 25 4. Each subsequent time you press < , the TI-30XS MultiView™ calculator reca lls the stored operation and applies it to the last a nswer or the current entry . Press % l again to turn Constant fe ature off. Examples K % l V 2 T 3 < 4 < 6 < Reset K % l % l - F < 5 < 20 < T u[...]

Copyright © 2006 T exas Instruments Incorporated 26 ³ Problem Given the linear func tion y =5 x – 2, calculate y for the following values of x : -5; -1. Memory and stored variables zL % h % { The TI-30XS MultiView™ calculato r has 7 memory variables— x , y , z , t , a , b , and c . Y ou can store a real number or an expression th at results[...]

Copyright © 2006 T exas Instruments Incorporated 27 % h recalls the va lues of variables. Press % h to display a menu of variables and their stored values. Select the variable you want to recall and press < . The value assigned to th e variable is inserted into the c urrent entry and used to evaluate the express ion. % { clears variable values.[...]

Copyright © 2006 T exas Instruments Incorporated 28 ³ Problem In a gravel q uarry , two new excavations ha ve been opened. The first one measures 35 0 meters by 560 meters, th e second one measures 340 met ers by 610 meters. What volume of gravel does t he company need to ext ract from each excavation to reach a dep th of 150 meters? T o reach 21[...]

Copyright © 2006 T exas Instruments Incorporated 29 For the firs t excavation: The company n eeds to extract 29.4 million cubic meters to reach a dep th of 150 meters, and to extract 41.16 million cubic meters to rea ch a depth of 210 meters. For the second excavation: The company needs to extract 31.1 1 million cubic meters to re ach a depth of 1[...]

Copyright © 2006 T exas Instruments Incorporated 30 Notice L2 is calculated per t he formula you entered, and L2(1)= in the author line is highli ghted to indicate the list is the result of a formula. ³ Problem On a November day , a weather report on the Internet liste d the following temperatures. Paris, France 8 Ä C Moscow , Russia -1 Ä C Mon[...]

Copyright © 2006 T exas Instruments Incorporated 31 If Sydney , Australia is 21 Ä C, find the temperature in degrees Fahrenheit. Statistics % t v % t displays a menu with the following options: • 1-Var Stats analyzes statis tical data from 1 data set with 1 measured variable, x . • 2-Var Stats analyzes paired data from 2 da ta sets with 2 mea[...]

Copyright © 2006 T exas Instruments Incorporated 32 T o define statistical data p oints: 1. Enter data in L1, L2, or L3. (See Data editor .) 2. Press % t . Select 1-V ar or 2-Var and press < . 3. Select L1, L2, or L3, and the frequency . 4. Press < to display the menu of variables. 5. T o clear data, press v v , sele ct a list to clear, and [...]

Copyright © 2006 T exas Instruments Incorporated 33 2-V ar: Data: (45,30); (55,25). Find: x Å (45) ³ Problem For his last four tests, Ant hon y obtained the following scores. T ests 2 and 4 were given a weight of 0.5, an d tests 1 and 3 were given a weight of 1. Stat V ar 2 < V 2 < Clear all data v v$$$ Data < 45 $ 55 $" 30 $ 25 $ [...]

Copyright © 2006 T exas Instruments Incorporated 34 1. Find Anthony’s avera ge grade (weighted average). 2. What does the value of n given by the calculator represent? What does the value of Ò x give n by the calculator represent? Reminder: The weig hed average is 3. The teacher gave Anthony 4 more points on t est 4 due to a grading error . Fin[...]

Copyright © 2006 T exas Instruments Incorporated 35 Change Anthony’ s last score from 1 1 to 15. If the teacher adds 4 poin ts to T est 4, Anthony’s avera ge grade is 12. ³ Problem The table below give s the results of a braking te st. Use the relationship between speed and bra king distance to estimate the braking distance r equired for a ve[...]

Copyright © 2006 T exas Instruments Incorporated 36 This line of best fit, y '=0.677 32519 x '-18.66637321 models t he linear trend of the data. The linear model gives an esti mated braking dista nce of 18.59 meters for a vehicle traveling at 55 kph. Probability H This key displ ays two menus: PRB and RAND . PRB contains the following op[...]

Copyright © 2006 T exas Instruments Incorporated 37 RAND contains the following options : Examples ! A factorial is the p roduct of the positive integers from 1 to n . n must be a positive whole number { 69. rand Generates a random re al number between 0 and 1. T o control a sequenc e of random numbers, store an integer (seed va lue) | 0 to rand .[...]

Copyright © 2006 T exas Instruments Incorporated 38 ³ Problem An ice cream store advertises that it m akes 25 flavors of home made ice cream. Y ou like to order three dif ferent flavors in a dish. How many combinations of ice cream ca n you test over a very hot summe r? Y ou can choose from 2300 dishes with different combina tions of flavors! If [...]

Copyright © 2006 T exas Instruments Incorporated 39 The table is displayed using the specified values. ³ Problem Find the vertex of the parabola, y = x (36 - x ) using a table of values. Reminder: The vertex of the parabola is the point on the line of symmetry of the parabola . After searching close to x = 18, the point (18, 3 24) appears to be t[...]

Copyright © 2006 T exas Instruments Incorporated 40 ³ Problem A charity collected $3,600 to help support a lo cal food kitchen. $450 will be given to the food kitchen every month until t he funds run out. How many months will the charity supp ort the kitchen? Reminder: If x = months and y = money left, then y = 3600 - 450 x. The support of $450 p[...]

Copyright © 2006 T exas Instruments Incorporated 41 DOMAIN — Y ou specified an argument to a function outside the valid range. For example: •F o r x Ñ y : x = 0 or y < 0 and x is not an odd integer . •F o r y x : y and x = 0; y < 0 and x is not an integer . •F o r Ñ x : x < 0. •F o r LOG or LN : x { 0. •F o r TA N : x = 90 ?[...]

Copyright © 2006 T exas Instruments Incorporated 42 LOW BA TTER Y — Replace the battery . Note: This message displays briefly and then disappears. Pressing - does not clear this message. Battery information Battery precautions • Do not leave batteries with in the reach of ch ildren. • Do not mix new a nd used batteries. Do not mix brands (or[...]

Copyright © 2006 T exas Instruments Incorporated 43 • T o replace the battery , check the polarity (+ and -) and slide in a new battery. Press firmly to snap the new battery into place. Important: When replac ing the ba ttery , avoid any contact with the other components of the TI-30XS MultiView™ calculator. • If necessary , press & and [...]

Copyright © 2006 T exas Instruments Incorporated 44 Te x a s Instruments Support and Service For general information For technical support For product (hardware) service Custo mers in the U.S., Canada, Mexico, Puerto Rico an d Virg in Islands: Always co ntact T exas Instruments Customer Support before returning a product f or service. All other cu[...]