Texas Instruments TI-73 manuale d’uso

Getting Started with the TI-73 Explor er™, CBL 2™, and CBR™ CL3456[...]

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© 2003 T exas Instruments Incorporated. Contents Important Information ........................................................................ 2 Contents ............................................................................................ 3 TI-73 Explorer™ keys ....................................................................... 4 Tu[...]

4 © 2003 T exas Instruments Incorporated. TI-73 Explorer ™ keys $ " # ! Let you move the cursor in four directions on the screen. : Erases entries an d answers on the Home screen and entry line. 9 Lists the applicatio ns instal le d on your TI-73 Explorer. ^ Turns on the TI-73 Explorer. b Evaluates an expression, execu tes an instruction, a[...]

© 2003 T exas Instruments Incorporated. 5 T urning on and tur ning off the T I - 7 3 E x p l o r e r ™ • T o turn on the TI-73 Explorer, press ^ locat ed at the lowe r left corner of the d evice. • T o turn off the TI-73 Explorer, press - , and then the ^ key . The next time you turn on the TI-73 Explorer, the Home screen appears with the sa[...]

6 © 2003 T exas Instruments Incorporated. Home screen The first time you turn on your TI -73 Explorer™, this screen appears: Note: Download the latest oper ating system (OS) to your Internet- enabled computer using the TI-Connecti vity Kit. Both the lat est OS and TI Connectivity Kit are available at education.ti.com/shop . T o clear the screen,[...]

© 2003 T exas Instruments Incorporated. 7 Example: Multiply 5 x 4. Entering secondary functions - Secondary functions are printed in yellow above the keys. T o select a secondary function, first press the yellow - key , and then press a key with a secondary function. For example, to view the CA T ALOG menu, press - | . Note: The flashing cursor ( [...]

8 © 2003 T exas Instruments Incorporated. Entering text -t Y ou can use the T ext Editor to key in text, s uch as alphab etic chara cters, braces, quotation marks, spaces, and relations. • T o access the T ext Editor , press - t . • T o return to the Home screen from the T ext Editor: Select Done in the T ext Editor and pre ss b . — or — T[...]

© 2003 T exas Instruments Incorporated. 9 Clear : and Quit - l Clear : The : key is located just below the four cursor keys at the upper right corner of the keyboard. • Pressing : while entering information clears the entry line. • Pressing : when the cursor is on a blank l ine clears the H ome screen. Note: Although it does not affect ca lcul[...]

10 © 2003 T exas Instruments Incorporated. Using subtraction T and negation a keys •U s e T to enter subtraction operations. •U s e a t o enter a negative number in an operation, expression, or on a setup screen. Note: The TI-73 Explorer™ subtractio n and nega tion symbols app ear slightly different to make them easier to distinguish. The ne[...]

© 2003 T exas Instruments Incorporated. 11 Keyboard math applications Example: Add L 456 + 123. Example: Divide 45.68 P 123. Example: Multiply 28 Q 1.5. Press Result a 4 5 6 1 2 3 b Press Result 4 5 ` 6 8 F 1 2 3 b Press Result 2 8 M 1 . 5 b[...]

12 © 2003 T exas Instruments Incorporated. Integer division - Œ - Œ divides two positive int egers and displays the quotient and remainder ( r ). Example: Calculate 11 P 2 using integer division. Percent C Example: Convert 75% to a decimal. Press Result 1 1 - Œ 2 b Note: The answer is 5 with a remainder of 1 . Press Result 7 5 C b[...]

© 2003 T exas Instruments Incorporated. 13 Square 6 Example: Calculate 5 2 . Example: Compare the results of L 5 2 and ( L 5) 2 . Press Result 5 6 b Press Result a 5 6 b D a 5 E 6 b[...]

14 © 2003 T exas Instruments Incorporated. Square r oot -z Example: Calculate . Pi - „ The TI-73 Explorer™ displays p = 3.141592654 but uses 3.1415926535898 in calculations. Example: Multiply 4 Q p . Press Result - z 2 5 6 E b Press Result 4 M - „ b 256[...]

© 2003 T exas Instruments Incorporated. 15 Fractions This example shows the stacked fraction and manual simplification features of the TI-73 Explorer™. (S ee Chapter 3 of the TI-73 Explorer Software Graphing Calculator Guidebook .) Example: Add 1 3/4 + 2 4/8 and manually simplify the result. Press Result . # # # # " b - l (to select Mansimp[...]

16 © 2003 T exas Instruments Incorporated. Choosing the simp lification factor Example: Add 4/16 + 8/16 and choose the simplification factor to redu ce the sum to lowest terms. Press Result - l : 4 = 1 6 " 8 = 1 6 b B 2 b B 3 b Because the result did not change, try another factor . B 2 b Simplification is complete.[...]

© 2003 T exas Instruments Incorporated. 17 Constants with counter -creating number patterns The TI-73 Explorer™ Constant feature makes it easy to create number patterns. Watch the pattern in the example below take shape on the Home screen. Example: Set up a SINGLE counter , define a constant (+5), and create a number pattern. Press Result y † [...]

18 © 2003 T exas Instruments Incorporated. Scro lling on the Home screen The TI-73 Explorer™ scrolling feat ure helps make number inv estigation easy by providing a copy and paste functionality . Example: Sum the second (5 + 5) and fi fth (20 + 5) terms of the number pattern created in the previous ex ample. (See “Constants with counter - crea[...]

© 2003 T exas Instruments Incorporated. 19 Using parentheses D E Example: Multiply 4 * 1 + 2 and 4 * (1 + 2). Example: Divide 1/2 P 2/3 (not using stacke d fraction capability). Example: Calculate 16 ^ . Note: T ry each of the examples above without the parentheses and see what happens! Press Result 4 M 1 2 b 4 M D 1 2 E b Press Result D 1 F 2[...]

20 © 2003 T exas Instruments Incorporated. TI-73 Explorer ™ menus Y ou use a menu to enter most TI-73 Explorer functions and instructions on the Home screen. T o select an item from a displayed me nu: • Press the number or letter displayed to the left of the item. — or — • Use the cursor keys ( † or } ) to select the item, and then pre[...]

© 2003 T exas Instruments Incorporated. 21 Selected TI-73 Explor er ™ menus TI-73 Explorer graphing menus T o select Description Press Mode menu Lists commands that let you control how numbers are displayed and interpreted . MA TH menu Lists math functions, including number , probability , and logic  DRAW menu • Lists graph and plot drawing[...]

22 © 2003 T exas Instruments Incorporated. T ABLE SETUP menu Lists options specif ying table settings y f Window format menu Lets you choose display settings for function graphing and statistical plotting y g T o select Desc ription Pr ess[...]

© 2003 T exas Instruments Incorporated. 23 Changing mode settings Use mode settings to specify how the TI-73 Explorer™ interpret s entries and displays answers. Example: Change the mode setting for decimals from Float to 3 decimal places. Note: Y ou must highlight a mode setting and press Í to change it. Mode settings Press Result . # " &q[...]

24 © 2003 T exas Instruments Incorporated. Creating lists and statistical plots T o create categorical and number lists: 1. Use the List Editor to enter th e categorica l and numerical lists. 2. Use the PLOT menu to plot the lists. Example: Enter a categorical list in L 1 made up of list elements BLUE, RED, and GREEN, enter a number list in L 2 , [...]

© 2003 T exas Instruments Incorporated. 25 " (to move cursor to L2) 1 5 b 2 5 b 1 0 b Note: The mode setting for decimals in this example is set to Float . (See “Changing mode settings” on page 23.) - e b ! b (to enter statistical plot setup screen and turn Plot 1 on) # " " " " b (to select the pie chart) Press Result[...]

26 © 2003 T exas Instruments Incorporated. Note: Pr ess y5 to return to the Home screen. # # # " b (to display numbers on the pie chart as percentages) * ) Press Result[...]

© 2003 T exas Instruments Incorporated. 27 Graphing a line T o graph a line: 1. Display the Y= Editor . 2. Enter the line. 3. Display the graph. (See the TI-73 Explorer™ Software Graphing Calculator Guidebook for more detailed information .) Example: Graph the line Y = 2 x + 1. Press Result & : 2 I + 1 Note: The Y1 equal sign highlights when[...]

28 © 2003 T exas Instruments Incorporated. Error me ssages The TI-73 Explorer™ displays an error message whenever an error occurs. Example: Generate an error by enter ing the least common multiple function lcm( followed by only one number . • T o return to the Home screen with the cursor on a new entry line, select 1:Quit . • T o correct the[...]

© 2003 T exas Instruments Incorporated. 29 DOMAIN Y ou specified an argument to a function or instruction outside the valid range, such as using a negative frequency in box plots. Note: Because The TI-73 Explorer™ allows undefined values on a graph, this error is not dis played during graphing. ERROR IN XMIT • The TI-73 Explorer was unable to [...]

30 © 2003 T exas Instruments Incorporated. MEMORY menu - Ÿ T o display the list of commands used to manage TI-73 Explorer™ memory , press - Ÿ to open the MEMORY menu. T o select a command from the MEMORY menu, use t he cursor keys to select it and press b . T o exit the MEMORY menu or a command screen and display the Ho me screen, press either[...]

© 2003 T exas Instruments Incorporated. 31 3:Check APPs - Ÿ The 3:Check APPs command displays the Spaces Free screen, where you can view the memory available for Apps in terms of spaces . Apps spaces are used by p reloaded Apps. The preloa ded CBL™ /CBR™ App uses one space. The screen also lists the Apps lo aded on the TI-73 Explorer™ and t[...]

32 © 2003 T exas Instruments Incorporated. 2. T o display the RESET menu, press 7:Reset . 3. T o display the RESET RAM menu, press 1:All RAM . 4. Press 2:Reset . 5. Press : to display the Home screen. Note: When you reset the TI-73 Explorer™, the display contrast is also reset and might need to be adjusted. See “Adjusting the dis play contrast[...]

© 2003 T exas Instruments Incorporated. 33 Installing handheld software applications Y ou can update the functionality of your TI-73 Explorer™ by installing handheld software applications (Apps). Installing Apps on your TI-73 Explorer is similar to installing new software applications on your computer . After downloading an App to your computer [...]

34 © 2003 T exas Instruments Incorporated. Instructions for Macintosh® using TI Conn ect ™ 1. Connect your computer and handheld device with the TI Connectivity cable. 2. T urn on the handheld device and go to the Home screen. 3. Start the TI Connect software and click Connection to connect with the handheld device. 4. From the displayed list, [...]

© 2003 T exas Instruments Incorporated. 35 Running software applications Example: Run the CBL™/CBR™ App on your TI-73 Explorer™. Press Result Œ Press † or $ as needed to run the CBL/CBR App. b[...]

36 © 2003 T exas Instruments Incorporated. Collecting data using the CBL ™ /CBR ™ App Example: Run the RANGER program from the CBL/CBR App. Each menu item helps you quickly set up data collection using the CBR. Investigate on your own. Press Result T o run the CBL/CBR App, see “Running software applications” on page 35 Press any key . † [...]

© 2003 T exas Instruments Incorporated. 37 Collecting data using the CBL 2 é T o use the CBL 2 data collection system for the first time and use t he temperature probe to collect data: 1. Insert batteries in the CBL 2. 2. Connect the CBL 2 to the TI-73 Explorer™ using the unit-to-unit cable. Note: Y ou can also use the cradle. (For instructions[...]

38 © 2003 T exas Instruments Incorporated. 9. A real-time graph measuring temp erature appears. After about 30 seconds, press X to stop collecting data. Y ou just successfully collected and plotted data. For other DataMate options (including other sensors , analysis, and data saving), see Getting Started With the CBL 2 , or visit: education.ti.com[...]