Texas Instruments TI-89 사용자 설명서

Basic Function Graphing

330

Note:

You can store only one set of Window variable values at a time. Storing a new set

overwrites the old set.

Restoring the Standard Viewing Window

You can restore the Window variables to their default values at any time. From the

„

Zoom

menu, select

6:ZoomStd

Using Math Tools to Analyze Functions

On the Graph screen, the

‡

Math

toolbar menu has several tools that help you analyze

graphed functions.

Select:

To:

1:ZoomPrev

Return to the viewing window displayed before the
previous zoom.

2:ZoomSto

Save the current viewing window. (The current Window
variable values are stored to the system variables
zxmin, zxmax, etc.)

3:ZoomRcl

Recall the viewing window last stored with ZoomSto.