Texas Instruments TI-73 Explorer Manuale utente

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How To…

Start and Quit the Application

Use On-screen Options

View Definitions and Area Formulas

Take the Quiz

Delete the Application

More Information

Error Recovery

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TI-73 / TI-83 Plus Area Formulas Page 2

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Texas Instruments makes no warranty, either expressed or

implied, including but not limited to any implied warranties of

merchantability and fitness for a particular purpose, regarding

any programs or book materials and makes such materials

available solely on an “as-is” basis.

In no event shall Texas Instruments be liable to anyone for

special, collateral, incidental, or consequential damages in

connection with or arising out of the purchase or use of these

materials, and the sole and exclusive liability of Texas

Instruments, regardless of the form of action, shall not exceed

any applicable purchase price of this item or material. Moreover,

Texas Instruments shall not be liable for any claim of any kind

whatsoever against the use of these materials by any other

party.

Graphing product applications (Apps) are licensed. See the

terms of the license agreement for this product.

TI-GRAPH LINK and TI Connect are trademarks of Texas

Instruments. All other trademarks are the property of their

respective owners.

TI-73 / TI-83 Plus Area Formulas Page 3

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The Area Formulas application reviews the definitions and the

area formulas for the rectangle, square, parallelogram, triangle,

trapezoid, and circle. The development of the formulas is shown

graphically, and several examples of the calculation of the area

are given for each shape. A 15-question multiple-choice quiz—

you can choose between two levels of difficulty—provides

practice at applying the formulas. Immediate feedback is given

after each problem is answered, and the high score is saved.

The Area Formulas application is a concept application that TI

wants to share with our customers, educators, and students

before the product definition and testing are complete. It is an

alpha software version, and as such, it may contain

imperfections, or the coding may be incomplete.

TI invites your feedback concerning the functionality and

educational value of the Area Formulas application. Please send

your comments and questions to concept@list.ti.com.

TI-73 / TI-83 Plus Area Formulas Page 4

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Note

In this user guide, any information that pertains to the TI-83 Plus also

pertains to the TI-83 Plus Silver Edition, unless otherwise noted.

Hardware and software

Notes

TI-73 with version 1.50 or higher of the

Graph Explorer software

—or—

TI-83 Plus or TI-83 Plus Silver Edition

with version 1.13 or higher of the

operating system software

You can download a free copy of the

latest Graph Explorer or operating

system software from

education.ti.com/softwareupdates.

Follow the link to Operating Systems.

Computer with Windows®

95/98/2000/XP, Windows NT®, or

Apple® Mac® OS 7.1 or higher installed

TI-GRAPH LINK™ computer-to-

calculator cable

If you do not have this cable, call your

distributor, or order the cable from

TI's online store.

TI-GRAPH LINK software that is

compatible with the TI-73 or the

TI-83 Plus

—or—

TI™ Connect software (available at the

end of 2001). TI Connect works with all

supported models of TI graphing

calculators.

You can download free copies of

TI-GRAPH LINK and TI Connect from

education.ti.com/softwareupdates.

Follow the link to Connectivity

Software.

TI-73 / TI-83 Plus Area Formulas Page 5

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Detailed instructions on installing this and other applications are

available at education.ti.com/guides. Follow the link to Flash

installation instructions.

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The instructions in this guidebook are only for this application. If

you need help using the TI-73 or TI-83 Plus, refer to its

comprehensive guidebook at education.ti.com/guides.

TI invites your feedback concerning the functionality and

educational value of the Area Formulas application. Please send

your comments and questions to concept@list.ti.com.

TI-73 / TI-83 Plus Area Formulas Page 6

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1. Press

Œto display the list of applications on your

calculator.

2. Select

AreaForm. The application’s information screen is

displayed.

3. Press any key to continue. The programmer’s screen is

displayed.

4. Press any key to continue. The SELECT A MODE menu is

displayed.

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If you are in the middle of an activity, press y5repeatedly

until you get back to the main menu.

To quit the application, select QUIT from the application’s main

menu, or press y5.

TI-73 / TI-83 Plus Area Formulas Page 7

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Many of the screens in the Area Formulas application display

options across the bottom of the screen that you use to navigate

through the application. To select one of these options, press the

graphing key directly below the option.

opqrs

Press a graphing key

to select one of these

options. For example,

press ror s

to select EXAMPLE.

TI-73 / TI-83 Plus Area Formulas Page 8

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To display information about shapes, select DEFINITIONS &

FORMULAS from the SELECT A MODE menu. The SELECT A SHAPE

menu is displayed.

To display this

information…

Select this option:

Display

Shape definition

Shape name from the

SELECT A SHAPE

—or—

DEF from the AREA,

EXAMPLE, or WHY?

screen

Area formula for

the shape

AREA from the shape

DEFINITION screen

TI-73 / TI-83 Plus Area Formulas Page 9

To display this

information…

Select this option:

Display

An example of

calculating a

shape’s area

EXAMPLE from the

AREA screen or the

DEFINITION screen

Tip: Select EXAMPLE

again to display a

different example for

the same shape.

Explanation of the

area formula (not

available for all

shapes)

WHY? from the AREA

screen

Tip: Select WHY?

again to return to the

original AREA screen.

To view information about another shape, select MENU to return

to the SELECT A SHAPE menu, and then select another shape.

Tip

Press y5to return to the previous menu.

TI-73 / TI-83 Plus Area Formulas Page 10

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The Area Formulas quiz contains two levels. Level one assesses

your ability to compute the area of basic shapes. Level two is a

bit more challenging, assessing your ability to compute the area

of irregularly shaped objects. Each quiz consists of 15 problems.

Each correct answer in level one is worth 12 points. Each correct

answer in level two is worth 25 points. Incorrect answers are

worth 0 points in both levels.

1. Select

AREA QUIZ from the SELECT A MODE menu. The SELECT

A LEVEL screen is displayed.

2. Use the arrow keys to highlight a level, and then press

Í. The first problem is displayed.

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