Texas Instruments TI-83 Plus Silver Edition Handbuch

TI-83 Plus

Decimal Defender

How To…

Start and Quit the Application

Play the Game

Delete the Application

More Information

Error Recovery

TI-83 Plus Decimal Defender Application Page 2

Important Information

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.

Microsoft, Windows, Windows NT, Apple, Macintosh, Mac, and Mac OS are trademarks

of their respective owners.

TI-83 Plus Decimal Defender Application Page 3

What is the Decimal Defender Application?

The Decimal Defender application lets you practice multiplying

and dividing numbers by powers of 10 in a fun setting. This

number sense skill is a foundation for learning multiplication and

division algorithms, as well as helping students to understand

topics such as scientific notation, the metric system, and more.

In the Decimal Defender application, your space ship encounters

decimal numbers while exploring a strange and distant galaxy.

To find your way past the decimal numbers, you must solve

multiplication and division problems, and then fire the decimal

point into the numbers. You have to solve 10 problems to make

your way back to Earth.

The Decimal Defender 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 Decimal Defender application. Please

send your comments and questions to [email protected].

TI-83 Plus Decimal Defender Application Page 4

What You Need

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-83 Plus or TI-83 Plus Silver Edition

with version 1.14 or higher of the

operating system software

You can download a free copy of the

operating system software from

education.ti.com/softwareupdates.

Follow the link to Operating Systems.

Computer with Microsoft® Windows®

95/98/2000, 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™ Connect software. TI Connect works

with all supported models of Flash-based

TI graphing calculators.

—or—

TI-GRAPH LINK software that is

compatible with the TI-83 Plus

You can download free copies of

TI Connect and TI-GRAPH LINK

software from

education.ti.com/softwareupdates.

Follow the link to Connectivity

Software.

TI-83 Plus Decimal Defender Application Page 5

Where to Find Installation Instructions

Detailed instructions on installing this and other applications are

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

installation instructions.

Getting Help

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

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

guidebook at education.ti.com/guides.

TI-83 Plus Decimal Defender Application Page 6

Starting and Quitting the Application

Starting the Application

1. Press

nto display the list of applications on your

TI83 Plus.

2. Select

DecDfend. The application’s information screen is

displayed.

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

displayed.

4. Press any key to continue. The instructions for using the

application are displayed on the next three screens.

5. Press any key to display subsequent instruction screens.

The SELECT AN OPERATION menu is displayed.

Note

The application instructions are only displayed the first time you

run the application. To display the instructions again, select

Instructions from the SELECT AN OPERATION menu.

Quitting the Application

From the SELECT AN OPERATION menu, select QUIT or press \

until the home screen is displayed.

TI-83 Plus Decimal Defender Application Page 7

Playing the Game

Before you can play the game, you select the operation type for

the problems that will be presented in the game – Multiplication,

Division, or Both multiplication and division.

On the game screen, the problem is displayed at the bottom of

the screen. Your ship, in the middle of the screen, points toward

digits at the top of the screen. You insert a decimal point

between two digits to solve the problem.

To play the game, use the arrow keys to move the ship to the

location where the decimal point should be to solve the problem,

and fire a decimal point from the ship.

Problem to solve

Your ship fires the

decimal point into the

digits above to create

your answer.

TI-83 Plus Decimal Defender Application Page 8

1. From the

SELECT AN OPERATION menu, select Multiplication,

Division, or Both. The game screen is displayed.

2. Press

_or

ato move the ship to the correct location for the

decimal point, and then press `to insert the decimal point.

The application verifies your solution and displays Correct! or

Incorrect! before displaying the next problem.

Tip

•If your answer was correct, the digits fade away.

•If your answer was incorrect, the digits fall to the bottom of the

screen and smash your ship. You can see where the decimal

point should have been inserted as the digits fall.

After you have answered 10 problems, your score is displayed,

along with the top three high scores for the game that have been

played on your TI83 Plus.

TI-83 Plus Decimal Defender Application Page 9

3. If your score is a high score, enter your initials at the cursor

location, and then press ¯. (Alpha-lock mode is already

turned on.)

Tip

You accumulate points for your combination of speed and

accuracy, as well as the difficulty of the operation. More points

are awarded when the operation is BOTH than when it is

MULTIPLICATION or DIVISION.

TI-83 Plus Decimal Defender Application Page 10

Deleting the Application

1. Press

\/to display the MEMORY menu.

2. Select

Mem Mgmt/Del.

3. Select

Apps.

4. Move the cursor to DecDfend.

5. Press

^. A confirmation message is displayed.

6. Select

Yes to delete the application.

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