Texas Instruments Titanium TI-89 User Manual

Basic Function Graphing 307
The function list now shows the new function, which is automatically selected for
graphing.
Note: If you accidentally move the cursor to the entry line, press N to move it back to
the function list.
Editing a Function
Editing a FunctionEditing a Function
Editing a Function
From the Y= Editor:
1. Press D and C to highlight the function.
2. Press ¸ or … to move the cursor to the entry line.
3. Do any of the following:
• Use B and A to move the cursor within the expression and edit it. Refer to
“Editing an Expression in the Entry Line” in Operating the Calculator.
– or –
• Press M once or twice to clear the old expression, and then type the new
one.
4. Press ¸.
The function list now shows the edited function, which is automatically selected for
graphing.
Note: To cancel any editing changes, press N instead of ¸.

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)