Texas Instruments TI-89 사용자 설명서

Basic Function Graphing

 324

Using QuickCenter

Using QuickCenter

Using QuickCenter

Using QuickCenter

If you trace a function off the top or bottom of the viewing window, you can press 

¸ 

to center the viewing window on the cursor location.

After QuickCenter, the cursor stops tracing. If you want to continue tracing, press 

….

You can use QuickCenter at any time during a trace, even when the cursor is still on the 
screen.

Canceling Trace

Canceling Trace

Canceling Trace

Canceling Trace

To cancel a trace at any time, press 

N.

A trace is also canceled when you display another application screen such as the Y= 
Editor. When you return to the Graph screen and press 

… to begin tracing:

•

If Smart Graph regraphed the screen, the cursor appears at the middle x value.

•

If Smart Graph does not regraph the screen, the cursor appears at its previous 
location (before you displayed the other application).