Texas Instruments TI-89 Titanium User Manual

Data/Matrix Editor 514
1. Move the cursor to any cell in the column and press †.
– or –
Move the cursor to the header cell (
c1, c2, etc.) and press ¸.
Notes:
• ¸ is not required if you want to type a new definition or replace the existing
one. However, if you want to edit the existing definition, you must press ¸.
• To view an existing definition, press † or move the cursor to the header cell
and look at the entry line.
2. Type the new expression, which replaces any existing definition.
If you used † or ¸ in Step 1, the cursor moved to the entry line and highlighted
the existing definition, if any. You can also:
• Press M to clear the highlighted expression. Then type the new expression.
– or –

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches