Texas Instruments TI-89 Manual De Usuario
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.
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
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).
location (before you displayed the other application).
Before using QuickCenter
After using QuickCenter