TI TI-89 / TI-92 Plus Calculus Tools

[Pages:36]TI

TI-89 / TI-92 Plus Calculus Tools

8/10/01

Getting Started

What is the Calculus Tools Application? Before You Begin Starting the Calculus Tools Application

Calculus Tools Menus

F1:Tools F2:Deriv F3:Integ

F4:Seq F5:Vector F6:Advanced

More Information

Calculus Tools Application Functions

? 2001 Texas Instruments

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 thelicense agreement for this product.

TI-GRAPH LINK is a trademark of Texas Instruments. All other trademarks are the property of their respective owners.

TI-89 / TI-92 Plus Calculus Tools

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What is the Calculus Tools Application?

The Calculus Tools application (App) is a Concept software application for the TI-89 / TI-92 Plus. Concept software applications are calculator software application prototypes that demonstrate a new concept area.

The Calculus Tools App extends the built-in power of your TI-89 / TI-92 Plus by providing more specialized functionality. Use the Calculus Tools App to investigate applications of differentiation; compare numerical integration techniques; and explore sequences, series, vector calculus, Fourier series, and more.

The Calculus Tools App is based on programs written or evaluated by CAS (Computer Algebra System) experts and educators Bernhard Kutzler, Bhuvanesh Bhatt, David R. Stoutemyer, Josef B?hm, Ray Barton, Ruth Dover, and Wolfgang Pr?pper. We appreciate their contributions and evaluations.

Additional documentation for many of the Calculus Tools App features can be found at series.bk-. Other teaching and learning materials written for the TI-89 and TI-92 Plus are also available at the Web site, including Exploring Integration with the TI-89/92/92+ by Josef B?hm and Wolfgang Pr?pper.

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Before You Begin

Concept applications are shared with our customers, educators, and students before product definition and testing is complete. These applications may contain software imperfections and/or incomplete coding areas. They are "alpha" software versions.

TI invites feedback from teachers and students concerning the functionality and educational value of the Calculus Tools App. Please send your comments and questions to concept@list..

Mode settings

The Calculus Tools App requires specific mode settings to run correctly. If you try to access the application with incorrect mode settings, this error dialog box will appear:

TI-89 / TI-92 Plus Calculus Tools

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Before starting the Calculus Tools App, set modes to the required values as follows:

1. From the Home screen, press 3 to display the MODE dialog box.

2. Ensure that the following modes are set as indicated:

Mode Graph Display Digits Angle Split Screen Exact/Approx Base Language

Setting FUNCTION FLOAT or FLOAT # (1 - 12) RADIAN FULL AUTO or EXACT DEC ENGLISH

3. Press ?. The Home screen displays.

MEMORY and VAR-LINK screens unavailable

The MEMORY and VAR-LINK screens, accessed by the 2 ? and 2 ? keys, are unavailable for the Calculus Tools App.

TI-89 dialog boxes

The TI-89 Calculus Tools App dialog boxes default to alpha-lock. Press j to turn alpha-lock off before entering numbers.

TI-89 / TI-92 Plus Calculus Tools

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Using variables from the Main folder

Using variables from the Main folder places those stored values in the Calculus Tools App functions. The Calculus Tools App, however, clears the following types of variables for specified functions. As a result, the data stored in these variables is lost.

Variable defined as ... F2

Menu option

F3

F4

F5

F6

Independent var

1 and 2;

4

4-7

Dependent var

4

Angle Parameter

7

Index var

1

Coordinate variables

All

Integration variables

5-8

Var n

2 and 3

x

3

All

Viewing answers in split screen

The Calculus Tools App uses a split screen view to display the numerical and graphical representations of selected solutions.

? For answers that are partially hidden when viewed in a split screen, press N to view the answer in full screen.

? For answers that are too long to be viewed in a full screen, use the Display Answer option.

? You cannot switch back and forth between the split screen portions.

TI-89 / TI-92 Plus Calculus Tools

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Access the Calculus Tools App menus using the F1 through F6 function keys. F1 menu options let you change the configuration of what you see on the screen, such as viewing the complete answer or data entered as a string, changing split screen settings, and restoring window defaults.

F2 through F6 menu options let you access calculus operations and are organized under the broad categories of derivatives, integrals, sequences, vectors, and advanced functions.

Most F2 through F6 options access a problem-entry dialog box that includes an example problem to help you get started. Work through the example problem, or replace it as desired.

Dialog boxes for most F2 through F6 menu options revert to default values after data is entered. Dialog boxes for the F3 menu options, however, display the values entered last.

This is the problem-entry dialog box for 1:Tangent Line.

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F1:Tools

F1 1:Display ANSWER Lets you view an answer that is too long to fit on the screen. (Answers are displayed as a string.)

Tip

You can also go to the Home screen, type answer, and

press ?. Scroll to see the complete answer displayed

in Pretty Print.

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