Texas Instruments Titanium TI-89 User Manual

Data/Matrix Editor 521
Note: If you do not type a variable name, your calculator displays the Home screen.
4. Press ¸ (after typing in an input box such as
Variable, press ¸ twice) to
create and display an empty variable in the Data/Matrix Editor.
Using the Current Variable
Using the Current VariableUsing the Current Variable
Using the Current Variable
You can leave the Data/Matrix Editor and go to another application at any time. To return
to the variable that was displayed when you left the Data/Matrix Editor, launch
Data/Matrix Editor again and select
1:Current.
Variable Type a new variable name.
If you specify a variable that already exists, an error
message will be displayed when you press ¸. When
you press
N or ¸ to acknowledge the error, the
NEW dialog box is redisplayed.
Row dimension
and
Col dimension
If Type = Matrix, type the
number of rows and columns in
the matrix.
Item Lets you:

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)