Editing A Function - Texas Instruments TITANIUM TI-89 User Manual

The function list now shows the new function, which is automatically selected for
graphing.
If you accidentally move the cursor to the entry line, press N to move it back to
Note:
the function list.

Editing a Function

Editing a Function Editing 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.
To cancel any editing changes, press N instead of ¸.
Note:
Basic Function Graphing 307