Texas Instruments TITANIUM TI-89 - Manual (Page 324)

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).
Before using QuickCenter After using QuickCenter