Texas instruments TI-89 TITANIUM User Manual

TI-89 Titanium

Graphing Calculator

Important Information

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USA FCC Information Concerning Radio Frequency Interference

This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, you can try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/television technician for help.

Caution: Any changes or modifications to this equipment not expressly approved by Texas Instruments may void your authority to operate the equipment.

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Getting Started

Getting StartedGetting Started

Initial start-up

Initial start-up Initial start-up

Installing the AAA Batteries

Installing the AAA BatteriesInstalling the AAA Batteries

The TI-89 Titanium uses four AAA alkaline batteries and one button cell backup battery. The backup battery is already installed, and the AAA batteries are provided with the product.

1. Remove the battery cover from the back of the calculator.

2. Unwrap the four AAA batteries provided with your product and insert them in the battery compartment. Arrange the batteries accord ing to the polarity (+ and -) diagram in the battery compartment.

3. Replace the battery cover on the calculator. The cover should snap into place.

Getting Started 1

Turning on your

Turning on your TI-89 Titanium

Turning on your Turning on your

TI-89 Titanium for the first time

TI-89 TitaniumTI-89 Titanium

for the first time

for the first time for the first time

After installing the batteries included with the calculator, press ´. The Apps desktop appears.

Note: If your calculator initializes the preinstalled Apps, a progress bar will appear with the message “Installation in progress . . . Do not interrupt!” instead of the Apps desktop. To avoid losing Apps, do not remove the batteries during initialization. (You can re-install Apps from either the Product CD-ROM or

education.ti.com

Progress bar

Getting Started 2

Adjusting the contrast

Adjusting the contrastAdjusting the contrast

• To lighten the display, press and hold 8 and tap

VAR-LINK

• To darken the display, press and hold 8 and tap

CHAR

«.

The Apps desktop

The Apps desktopThe Apps desktop

The Apps desktop is the starting point for operating your TI-89 Titanium. Your installed Apps appear on the Apps desktop as icons organized in categories for easy access. From the Apps desktop, you can:

• Open Apps.

• Select and edit categories of Apps.

• View all of the Apps installed on your calculator.

• View the full name of the highlighted App.

• View and edit the time and date.

• Check status line information.

• View split-screen mode information.

Getting Started 3

TI-89 Titanium Apps desktop

Ê View full name of highlighted App.

Ë View time and date.

Ì Press ¸ to open highlighted App.

Í Scroll down to view additional Apps.

Î Check status line information.

Ï Edit categories.

To return to the Apps desktop at any time, press O. The last category selected appears with the last open App highlighted.

Getting Started 4

Turning off the calculator

Turning off the calculatorTurning off the calculator

Press 2®. The next time you turn on the calculator , the Apps desktop appears with the same settings and memory contents retained. (If you turned off the Apps desktop, the calculator Home screen appears.)

You can use either of the following keys to turn off the TI-89 Titanium.

Press: Description 2 ® (press 2

and then press ®)

¥ ® (press ¥ and then press ®)

Settings and memory contents are retained by the Constant Memory™ feature.

• You cannot, however, use 2 ® if an error message is displayed.

• When you turn the TI-89 Titanium on again, it displays either the Home screen or the Apps desktop (regardless of the last application you used).

Similar to 2 ® except:

• You can use ¥ ® if an error message is displayed.

• When you turn the TI-89 TitaniumVoyage™ 200 on again, it will be exactly as you left it.

Note: ® is the second function of the ´ key. The calculator’s Automatic Power Down™ (APD™) feature prolongs battery life by

turning the calculator off automatically following several minutes of inactivity. When you turn on the calculator after APD:

• The display, cursor, and any error conditions are exactly the same as before APD.

Getting Started 5

• All settings and memory contents are retained. Note: APD does not occur if a calculation or program is in progress, unless the program

is paused. If a program is running but waiting for a key press, APD will occur after several minutes of inactivity.

Getting Started 6

TI-89 Titanium

TI-89 Titanium keys

TI-89 TitaniumTI-89 Titanium

keys

keys keys

Getting Started 7

TI-89 Titanium keys

Ê Function keys (ƒ– Š) open toolbar menus, access Apps, and edit categories of

Apps.

Ë Cursor keys (A, B, C, D) move the cursor.

Ì Numeric keypad performs math and scientific functions.

Í Modifier keys (2, 8, 7) add features by increasing the numbe r of key commands.

Entering special characters

Entering special charactersEntering special characters

Use the CHAR (Character) menu and key commands to enter special characters. The CHAR menu lets you access Greek, math, international, and other special characters. An on-screen keyboard map shows the locations of shortcuts used to enter other commonly used characters.

To select characters from the CHAR menu:

1. Press 2G. The CHAR menu appears.

2. Use the cursor keys to select a category. A submenu lists the characters in that category.

3. Use the cursor keys to select a character, and press ¸.

Getting Started 8

Example: Enter the right arrow symbol (→) in the Text Editor.

Press Result

Scroll down for more characters.

– or –

Press D repeatedly to

select 9:→

and press ¸

Symbol displayed at cursor location.

To open the keyboard map, press 8”. The keyboard map appears.

Getting Started 9

To type most characters, press 8 and the corresponding key. Press N to close the map.

Example: Use the keyboard map to find the “not equal to” symbol (ƒ) shortcut and enter the symbol in the Program Editor.

Press Result

8”

¥Á

Symbol displayed at cursor location.

Getting Started 10

Modifier keys

Modifier keysModifier keys

Modifier keys add features by increasing the number of keyboard operations at your fingertips. To access a modifier function, press a modifier key and then press the key for the corresponding operation.

Keys Description

(Second)

(Diamond)

(Shift)

(Alpha)

Accesses Apps, menu options, and other operations. Second functions are printed above their corresponding keys in the same color as the 2 key.

Accesses Apps, menu options, and other operations. Diamond functions are printed above their corresponding keys in the same color as the 8 key.

Types an uppercase character for the next letter key you press. Also used with A and B to highlight characters when editing.

Lets you type alphabetic characters without a QWERTY keypad. Alpha characters are printed above their corresponding keys in the same color as the j key .

Getting Started 11

Example: Access the VAR-LINK [All] screen, where you can manage variables and Apps.

Press Result

2°

Function keys

Function keysFunction keys

Use the function keys to perform the following operations:

• On the Apps desktop, open Apps and select or edit Apps categories.

• On the calculator Home screen, open toolbar menus to select math-related operations.

• Within Apps, open toolbar menus to select App options.

Numeric keypad

Numeric keypadNumeric keypad

The numeric keypad lets you enter positive and negative numbers. To enter a negative number, press ? before typing the number. Note: Don’t confuse the negation key (?) with the subtraction key (|).

Getting Started 12

To enter a number in scientific notation:

1. Type the numbers that precede the exponent. (This value can be an expression.)

2. Press ^. The exponent symbol (í) follows the numbers you entered.

3. Type the exponent as an integer with up to three digits. (As the following example shows, you can use a negative exponent.)

Example: On the calculator Home screen, enter 0.00685 using scientific notation.

Press Result

6 ¶ 85

? 3

Other important keys

Other important keysOther important keys

Key Command Description

8# Displays the Y= Editor. 8$ Displays the Window Editor.

Getting Started 13

Key Command Description

8% Displays the Graph screen. 8& Sets parameters for the Table

screen.

8' Displays the Table screen.

¥5 ¥6 ¥7

O Displays the Apps desktop. 8 O With the Apps desktop off,

2a Switches between the last two

2¾ Turns the custom menu on and off. 24 Converts measurement units.

¥ Designates a measurement unit.

0 Deletes the character to the left of

8. Deletes the character to the right

2/ Switches between insert and

These keys let you edit entered information by performing a cut, copy, or paste operation.

displays the FLASH APPLICATIONS menu.

chosen Apps.

the cursor (backspace).

of the cursor .

overwrite modes.

2¯ Displays the MEMORY screen.

Getting Started 14

Key Command Description

½ Displays a list of commands.

2£ Recalls the contents of a variable.

§ Stores a valu e t o a var ia ble.

2G Displays the CHAR menu, which

lets you select Greek letters, international accented characters, and other special characters..

Mode settings

Mode settings Mode settings

• In full-screen mode, displays the Apps desktop.

• In split-screen mode, displays the full-screen view of the active App.

• With the Apps desktop off, displays the calculator Home screen.

Modes control how the TI-89 Titanium displays and interprets information. All numbers, including elements of matrices and lists, are displayed according to the current mode settings. When the TI-89 Tit anium is turned off, the Constant Memory™ feature retains all of the mode settings you have selected.

To view the TI-89 Titan ium mode settings:

1. Press 3. Page 1 of the MODE dialog box appears.

Getting Started 15

2. Press „ or … to display the modes listed on Page 2 or Page 3. Note: Modes that are grayed out are available only if other required mode settings are

selected. For example, the Custom Units mode listed on Page 3 is available only if the Unit System mode is set to CUSTOM.

Viewing mode settings

Viewing mode settingsViewing mode settings

Press Result

„

Getting Started 16

Press Result

…

Changing mode settings

Changing mode settingsChanging mode settings

Example: Change the Language mode setting to Spanish (Español).

Press Result

…

Getting Started 17

Press Result

Scroll down to the Language

field.

Press B

and then press D until

3:Español is highlighted.

Note: Your menu list might

vary, depending on the languages installed.

Getting Started 18

Press Result

Note: The previous open App appears (in this example, the calculator Home screen).

To return the Language mode setting to English, repeat the steps, selecting 1:English in the Language field.

Using the Catalog to access commands

Using the Catalog to access commands Using the Catalog to access commands

Use the Catalog to access a list of TI-89 Titanium commands, including functions, instructions, and user-defined programs. Commands are listed alphabetically. Commands not beginning with a letter are found at the end of the list (&, /, +, –, etc.).

The Catalog Help App includes details about each command. Options not currently valid are grayed out. For example, the Flash Apps

(

…) menu option is grayed out if no Flash applications are installed on your TI-89

Titanium; the User-De fin ed ( function or program.

†) menu option is grayed out if you have not created a

Getting Started 19

Note: Typing a letter takes you to the first command in the list starting with the same letter.

Press Result

(displays Built-in commands)

…

(displays Flash Apps

commands, if any)

†

(displays User-Defined

commands, if any)

Select commands from the Catalog and insert them onto the calculator Home screen entry line or paste them to other Apps, such as the Y= Editor, Text Editor, or CellSheet™ Apps.

Getting Started 20

Example: Insert the comDenom( command on the calculator Home screen entry line. Note: Before selecting a command, position the cursor where you want th e command to

appear. Pressing 2D advances the Catalog list one page at a time.

Press Result

½ C

Then press D until the pointer is

at the comDenom( function.

The status line displays any required and optional parameters for the selected command. Optional parameters appear in square brackets.

Note: Pressing

Getting Started 21

ƒ will also display the parameters for the selected command.

Selected command

Command parameters

To exit the Catalog without selecting a command, press N.

Calculator Home screen

Calculator Home screenCalculator Home screen

The calculator Home screen is the starting point for math operations, inclu ding executing instructions, evaluating expressions, and viewing results.

To display the calculator Home screen, press: " You can also display the calculator Home screen from the Apps desktop by highlighting

the Home icon and pressing ¸.

Brackets [ ] indicate optional parameters

Getting Started 22

Ê History area lists the entry/answer pairs entered.

Ë Tabs display menus for selecting lists of operations. Press ƒ, „, and so on to

display menus.

Ì Result of last entry is displayed here. (Note that results are not displayed on the entry

line.)

Í Status line shows the current state of the calculator.

Î Entry line displays your current entry.

Ï Your previous entry is displayed here.

To return to the Apps desktop from the calculator Home screen, press O.

Getting Started 23

About the histor y area

About the histor y areaAbout the histor y area

The history area displays up to eight entry/answer pairs, depending on the complexity and height of the expressions. When the display is filled, information scrolls off the top of the screen. Use the history area to:

• Review previous entries and answers. Use the cursor keys to view entries and answers that have scrolled off the screen.

• Recall or auto-paste a previous entry or answer onto the entry line to reuse or edit. (For more information, see the electronic Operating the Calculator chapter.)

The cursor, which normally rests on the entry line, can be moved into the history area. The following table shows you how to move the cursor around in the history area.

To Do this

View entries/answe rs scrolled off the screen

Go to the oldest or newest entry/answer pair

View an entry or answer too long for one line (8 is displayed at the end of the line)

Return cursor to the entry line

From the entry line, press C to highlight the last answer. Continue using C to move the cursor from answer to entry through the history area.

If the cursor is in the history area, press 8C or 8D.

Move the cursor to the entry or answer. Use A or B to scroll left or right and 2A or 2B to go to the beginning or end.

Press N, or press D until the cursor is back on the entry line.

Getting Started 24

Interpreting history information on the status line

Interpreting history information on the status lineInterpreting history information on the status line

Use the history indicator on the status line for information about the entry/answer pairs. For example:

If the cursor is on the entry line:

Total number of pairs

currently saved

________

8/30

_______

Maximum number of pairs that can be saved

If the cursor is in the history area:

Pair number of the

highlighted

entry/answer

Modifying the history area

Modifying the history areaModifying the history area

_______

8/30

_______

Total number of pairs currently saved

To change the number of pairs that can be saved:

1. From the calculator Home screen, press ƒ and select

2. Press B and use C or D to highlight the new number.

3. Press ¸¸.

To clear the history area and delete all saved pairs:

• From the calculator Home screen, press ƒ and select – or –

9:Format.

8:Clear Home.

Getting Started 25

•Enter ClrHome on the calculator Home screen entry line.

To delete an entry/answer pair, move the cursor to either the entry or answer, and press 0 or M.

Working with Apps

Working with AppsWorking with Apps

The TI-89 Titanium organizes Apps by category on the Apps desktop. To select a category, press a function key („ through 2 Š ). The App icons for the selected category appear on the Apps desktop.

Note: If the name under an Apps desktop icon is truncated, use the cursor keys to highlight the icon. Now view the full name at the top of the Apps desktop.

Opening Apps

Opening AppsOpening Apps

Use the cursor keys or press the first letter of the App name to highlight th e Apps icon on the Apps desktop and press ¸. The App either opens directly or displays a dialog box. The most common dialog box lists these options for the App:

Note: The TI-89 Titanium uses the general term variable to refer to the App data files that you create.

Option Description

Current Returns the screen displayed when you last viewed

the App. If no current App variable exists, the New dialog box appears.

Open Lets you open an existing file.

Getting Started 26

Option Description

New Creates a new file with the name typed in the field.

Select an option, enter any required information, and press ¸. The App appears. Example: Create a new program using the Program Editor.

Press Result

Use cursor keys to highlight

Getting Started 27

Press Result

program1

¸¸

The newly created program variable, program1, is saved to the Main folder.

Getting Started 28

+ 950 hidden pages

Texas instruments TI-89 TITANIUM User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Getting Started

Initial start-up

Installing the AAA Batteries

Adjusting the contrast

The Apps desktop

Turning off the calculator

TI-89 Titanium keys

Entering special characters

Modifier keys

Function keys

Numeric keypad

Other important keys

Mode settings

Viewing mode settings

Changing mode settings

Using the Catalog to access commands

Calculator Home screen

About the histor y area

Interpreting history information on the status line

Modifying the history area

Working with Apps

Opening Apps