Texas Instruments TI-89 사용자 설명서

Basic Function Graphing

 307

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 

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 ¸.