Texas Instruments Titanium TI-89 User manual

TI-89 Titanium
Graphing Calculator

TI-89 Titanium Graphing Calculator 2
Important Information
Texas Instruments makes no warranty, either express 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 the purchase price of this
product. Moreover, Texas Instruments shall not be liable for any claim of any kind
whatsoever against the use of these materials by any other party.
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.

TI-89 Titanium Graphing Calculator 3
• 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.
© 2005 Texas Instruments Incorporated
Windows and Macintosh are trademarks of their respective owners.

Getting Started 4
Getting Started
Getting StartedGetting Started
Getting Started
Initial start-up
Initial start-upInitial start-up
Initial start-up
Installing the AAA Batteries
Installing the AAA BatteriesInstalling the AAA Batteries
Installing the AAA Batteries
The TI-89 Titanium uses four AAA alkaline batteries and a backup silver oxide battery
(SR44SW or 303). 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 according 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 5
Turning on your
Turning on yourTurning on your
Turning on your TI-89 Titanium
TI-89 TitaniumTI-89 Titanium
TI-89 Titanium for the first time
for the first timefor 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.)
Adjusting the contrast
Adjusting the contrastAdjusting the contrast
Adjusting the contrast
The Apps desktop
The Apps desktopThe Apps desktop
The 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.
Progress bar
• To lighten the display, press and hold 8and tap
|.
• To darken the display, press and hold 8and tap
«.
CHAR
VAR-LINK

Getting Started 6
• 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.
TI-89 Titanium Apps desktop
ÊView full name of highlighted App.
ËView time and date.
ÌPress ¸to open highlighted App.
ÍScroll down to view additional Apps.
ÎCheck status line information.
Ë
Ì
Ê
Ï
Î
Í

Getting Started 7
ÏEdit categories.
To return to the Apps desktop at any time, press O. The last category selected
appears with the last open App highlighted.
Turning off the calculator
Turning off the calculatorTurning off the calculator
Turning 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 ®)
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).
¥ ® (press ¥
and then press ®)
Similar to 2 ® except:
• You can use ¥ ® if an error message is
displayed.
• When you turn the TI-89 Titanium on again, it
will be exactly as you left it.

Getting Started 8
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.
• 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 9
TI-89 Titanium
TI-89 TitaniumTI-89 Titanium
TI-89 Titanium keys
keyskeys
keys
Ë
Ì
Í
Ê

Getting Started 10
TI-89 Titanium keys
ÊFunction keys (ƒ– Š) open toolbar menus, access Apps, and edit categories of
Apps.
ËCursor keys (A, B, C, D) move the cursor.
ÌNumeric keypad performs math and scientific functions.
ÍModifier keys (2, 8, 7) add features by increasing the number of key commands.
Entering special characters
Entering special charactersEntering special characters
Entering 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 11
Example: Enter the right arrow symbol (→) in the Text Editor.
To open the keyboard map, press 8”. The keyboard map appears.
Press Result
2G
4
9
– or –
Press Drepeatedly to
select 9:→
and press ¸
Scroll down for
more characters.
Symbol displayed at cursor
location.

Getting Started 12
To type most characters, press 8 and the corresponding key. Press Nto 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 13
Modifier keys
Modifier keysModifier keys
Modifier 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
2
(Second)
Accesses Apps, menu options, and other
operations. Second functions are printed above
their corresponding keys in the same color as
the 2key.
8
(Diamond)
Accesses Apps, menu options, and other
operations. Diamond functions are printed
above their corresponding keys in the same
color as the 8key.
¤
(Shift)
Types an uppercase character for the next letter
key you press. Also used with Aand Bto
highlight characters when editing.
j
(Alpha)
Lets you type alphabetic characters without a
QWERTY keypad. Alpha characters are printed
above their corresponding keys in the same
color as the jkey.

Getting Started 14
Example: Access the VAR-LINK [All] screen, where you can manage variables and Apps.
Function keys
Function keysFunction keys
Function 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
Numeric 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 (|).
Press Result
2°

Getting Started 15
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.
Other important keys
Other important keysOther important keys
Other important keys
Press Result
6¶85
^
?3
¸
Key Command Description
8# Displays the Y= Editor.

Getting Started 16
8$ Displays the Window Editor.
8% Displays the Graph screen.
8& Sets parameters for the Table
screen.
8' Displays the Table screen.
¥5
¥6
¥7
These keys let you edit entered
information by performing a cut,
copy, or paste operation.
ODisplays the Apps desktop.
8 O With the Apps desktop off,
displays the FLASH
APPLICATIONS menu.
2a Switches between the last two
chosen Apps.
2¾ Turns the custom menu on and off.
24 Converts measurement units.
¥ Designates a measurement unit.
0Deletes the character to the left of
the cursor (backspace).
8. Deletes the character to the right
of the cursor.
2/ Switches between insert and
overwrite modes.
Key Command Description

Getting Started 17
Mode settings
Mode settingsMode settings
Mode settings
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 Titanium is turned off, the Constant Memory™ feature retains
all of the mode settings you have selected.
To view the TI-89 Titanium mode settings:
2¯ Displays the MEMORY screen.
½Displays a list of commands.
2£ Recalls the contents of a variable.
§Stores a value to a variable.
2G Displays the CHAR menu, which
lets you select Greek letters,
international accented characters,
and other special characters..
2K • 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.
Key Command Description

Getting Started 18
1. Press 3. Page 1 of the MODE dialog box appears.
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
Viewing mode settings
Press Result
3
ã„

Getting Started 19
Changing mode settings
Changing mode settingsChanging mode settings
Changing mode settings
Example: Change the Language mode setting to Spanish (Español).
…
Press Result
3
…
Press Result

Getting Started 20
Scroll down to the Language
field.
D
Press B
and then press Duntil
3:Español is highlighted.
Note: Your menu list might
vary, depending on the
languages installed.
¸
Press Result