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Texas Instruments TI-89 Guide Book

Texas Instruments TI-89
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Chapter 2: Operating the Calculator 17
02OPER DOC TI
-
89/TI
-
92 Plus: O
p
erating the TI
-
89/TI
-
92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 17 of 44
The keyboard is divided into several areas of related keys.
TI-92 Plus
HOME Y= WINDOW GRAPH TblSet TABLE
To move the cursor, press the applicable edge of the cursor pad. This
guidebook uses key symbols such as A and B to indicate which
side of the cursor pad to press.
For example, press B to move the
cursor to the right.
Note:
The diagonal directions
(H, etc.) are used only for geometry
and graphing applications.
The TI-92 Plus Keyboard
With the TI
-
92 Plus’s easy-to-hold shape and keyboard layout,
you can quickly access any area of the keyboard even when
you are holding the unit with two hands.
Keyboard Areas
Cursor Pad
A
C
D
B
Function Keys
Access the toolbar menus
displayed across the top
of the screen.
Cursor Pad
Moves the display
cursor in up to 8
directions, depending
on the application.
QWERTY Keyboard
Enters text characters
j
ust as you would on a
typewriter.
Calculator Keypad
Performs a variety of
math and scientific
operations.
Application
Shortcut Keys
Used with the
Â¥
key to let you
select commonly
used
applications.

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Texas Instruments TI-89 Specifications

General IconGeneral
Display size (HxV)100 x 160 mm
Memory type639K FLASH ROM, 188K bytes RAM
Compatible operating systemsOperating System 2.09
Battery typeAAA

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