Texas Instruments CBL Bedienungsanleitung

CBL Programs/Applications

To Accompany

Real World Math with the CBL™ System:

25 Activities Using the CBL and TI-82

Contents

1. What’s New?

2. How to Install the Application Using the Flash Installer

3. How to Install the Application Using TI-GRAPH LINK™

3. How to Start the Application

4. How to Run the Programs

a. Error Messages

b. How the Applications differ from the previous stand-alone programs

5. How to Delete an Application

6. How to Contact TI Technical Support

What’s New?

In the past, each activity in Real World Math with the CBL System had one (or in a few cases, two) TI Basic

programs. Most activities also had one sample data set, also in the form of TI Basic programs. These files

were stand-alone files with .83p file extensions. When performing an activity, you would download all the

files you needed into your calculator from the PC using the TI-GRAPH LINK™ program. To use the

programs, you would make a selection from the calculator EXEC menu. In order to use the

programs, all the programs and data sets had to be in memory at the same time.

The same TI Basic programs have now been modified to work with the TI-83 Plus. Similar stand-alone TI

Basic files are still available, but these now have .8xp extensions. The functions that the programs perform

are essentially unchanged from the TI-83, but cosmetic changes have been made where necessary.

In addition, for the TI-83 Plus we have provided versions of these programs in the form of applications.

Application files have .app file extensions on the PC. You can download applications to the calculator using

TI-GRAPH LINK or the Flash Installer provided by TI. (The Flash Installer currently is not available for

the Macintosh, so Macintosh users will need to install the standalone programs using TI-GRAPH LINK.)

When you load an application into the calculator, it is put in the Flash ROM, so it does not take up space in

RAM. To use an application, press 9and select the application name from the APPLICATIONS menu.

How to Install the Application Using the Flash Installer

The Flash Installer is currently available only for the Microsoft® Windows® platforms (Windows® 3.1,

Windows® 95, and Windows NT®).

1. Close all desktop applications that may have been started after you downloaded the flash software.

(Another running application could interfere while the flash software is updating your TI-83 Plus.)

2. Make sure the TI-GRAPH LINK cable is firmly connected to the calculator and the computer.

3. Start the flash software installation by double-clicking on the flash software file (cblmath1.exe, for

example) on your computer and following the instructions.

The TI-83 Plus may briefly display a "Defragmenting" message. This simply means the calculator is

preparing for downloading. While the application is downloading, the TI-83 Plus will display the message

“Receiving *CBLMath1 APP.”

When the installation is complete, the Flash Installer screen will display a message that the installation was

successful. The calculator will remain on.

Important: DO NOT interrupt the installation process. If you encounter any errors during the installation,

follow the instructions. Error Recovery instructions are also described below.

Real World Math with the CBL System activities are grouped into six separate applications in order to limit

the size of each to two application pages. The activities in each application are:

Application Activities

CBLMath1 1 - 4

CBLMath2 5 - 9

CBLMath3 10 - 14

CBLMath4 15 - 18

CBLMath5 19 - 22

CBLMath6 23 - 25

How to Install the Application Using TI-GRAPH LINK™

1. Connect the TI-83 or TI-83 Plus and your computer with the TI-GRAPH LINK cable.

2. Turn on the TI-83 and leave it at the Home screen.

3. Start the TI-GRAPH LINK software.

4. Click on the Link menu, then click on Send.

5. Select the directory into which you downloaded the application files, and then select the file you want

to load on the TI-83.

6. Click OK to transmit the file.

How to Start the Application

To use an application, press 9and select the application name from the APPLICATIONS menu.

When you run an application, the first screen tells you what activities are included in the application. To

remove the title screen, press Í. To exit the application at any time, press 2K.

How to Run the Programs

When you start any application, after you press Íto remove the title screen, you will see a main menu

listing the names of the original TI Basic programs available in that application. These names correspond to

the names given in Real World Math with the CBL System. In order to run a program mentioned in the

activity book, you must run the application containing the activity, and then select the program name.

To run the program:

• Press the number in front of the program name

— or —

• Use †to highlight the program name and press Í.

To move around the main menu:

• Use }and †to move one line at a time.

— or —

• ƒ}or ƒ†to move one screen at a time.

You can quit the application from the main menu by pressing yKor by selecting the QUIT option

listed on the menu.

Once you select a program from the menu, that program begins running. The programs run nearly

identically to the way they did on the TI-83. When you quit a program by selecting a QUIT option or the

program ends normally on its own, you return to the application main menu, where you may select a new

program to run or exit the application. (To exit, press ‘or 2K.)

Error Messages

ERR:BREAK

If you press Éwhile a program is running, you will see a screen with the message ERR:BREAK. This

means that you have not only quit the program currently executing, but also exited the entire application

and returned to the Home screen.

ERR: MEMORY

The calculator can store up to ten “pages” of applications. These pages can be divided among different

applications. Data in the calculator Archive reduces the number of pages available to applications. In order

to run a selected program, the application must load the program into RAM, so there must be enough free

RAM available. If there is not enough RAM to run the selected program, the application will exit and you

will see a screen with the message ERR: MEMORY. You should make more RAM available by deleting or

archiving items currently in RAM, and then run the application again. If the application exits normally, or

because of a break or out-of-memory error, it automatically removes the TI Basic programs that it loaded

into RAM.

Other errors

Other types of errors may occur while you are running a program. If any other type of error occurs, the

application will exit and you will see a screen beginning with ERR:, followed by the type of error. Such an

error often indicates that the activity was not performed in the proper sequence as described by the activity,

or that data collected from the CBL was in error. When such an error occurs, the TI Basic program(s) that

the application loaded into RAM are not removed automatically. Since they remain in RAM, the error

screen provides a GOTO option. If you select the GOTO option, the calculator will show which line caused

the error. This may help in diagnosing the problem.

ERR:DUPLICATE NAME

Before the CBL application runs a selected program, it first checks to see whether a program with that name

already exists in the calculator. If a program with the same name already exists and is archived, the

application will display an error message and exit. The application cannot create another program with the

same name in RAM as one in the archive. You must either delete the existing archived program, rename it,

or unarchive it into RAM to be used in place of the built-in application version.

If a program with the same name already exists and is protected, the application will display an error

message and exit. The application will not replace a protected program with its own version. You must

either delete the existing protected program or rename it.

If a program with the same name already exists in RAM and is not protected or archived, the application

will display a menu of options for you to select from.

Option 1:USE IT means that the application will not replace the existing program with its own version, but

will instead use the existing version. This may be useful if you encounter an error during a previous

program run and alter the program to try to fix the error. You can also modify the original TI Basic program

file and load it into your calculator and it will be used in place of the built-in application version. If you

select this option, the application will never automatically remove the program.

Option 2: REPLACE IT means that the application will replace the existing program in RAM with its

own version. If the application later exits normally, it will also automatically remove its own version from

RAM so that nothing remains.

Option 3: REPLACE ALL is the same as Option 2, except that the application will automatically replace

any other programs that it uses (in those cases where it uses more than one) if duplicates exist in RAM. This

simply keeps the application from presenting the menu to you multiple times.

Option 4: EXIT THIS APP exits the application without changing RAM in any way. You may want to

select this option in order to explore what is in the existing program.

How the application differs from the previous stand-alone programs

There is one noticeable difference between the stand-alone versions of the activity programs and the

versions built into the application. Many of the stand-alone programs display a graph and quit. The user can

view the graph and then sometimes go into TRACE mode to move along the graphed function.

In the application, when the graph is drawn you are automatically put into Trace mode. After tracing, you

should press the Íkey to continue running the program. This change was necessary so that you would

not have to repeatedly re-start the application. Some of the descriptions in the activity book are written

assuming the behavior is that of the stand-alone program. Whenever the activity requires tracing, you

should wait until the application automatically puts you in TRACE mode to do that part of the activity. If

you need to TRACE later, you can do this by exiting the application, pressing sto display the last

graph, and pressing rto enter TRACE mode, which will still be functional.

How to Delete an Application

If an error message indicates that you do not have sufficient space on the TI-83 Plus, you will need to delete

one of the current applications. To do this:

1. Press -Ÿto display the MEMORY menu.

2. Select 2: Mem Mgmt/Del.

3. Select A: Apps.

4. Press #to place the 4symbol at the left of the application you wish to delete.

5. Press /to delete the application.

A screen displays Are You Sure?

6. Select 2: Yes.

How to Contact Customer Support

Customers in the U.S., Canada, Puerto Rico, and the Virgin Islands

For general questions, contact Texas Instruments Customer Support:

phone: 1.800.TI.CARES (1.800.842.2737)

e-mail: [email protected]

For technical questions, call the Programming Assistance Group of Customer Support:

phone: 1.972.917.8324

Customers outside the U.S., Canada, Puerto Rico, and the Virgin Islands

Contact TI by e-mail or visit the TI calculator home page on the World Wide Web.

e-mail: [email protected]

Internet: www.ti.com

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