Basic Function Graphing 313
Zooming In with a Zoom Box
1. From the „
Zoom menu, select 1:ZoomBox.
The screen prompts for
1st Corner?
2. Move the cursor to any corner of the box
you want to define, and then press ¸.
The cursor changes to a small square,
and the screen prompts for
2nd Corner?
Note:
To move the cursor in larger
increments, use 2B, 2D, etc.
3. Move the cursor to the opposite corner of
the zoom box.
As you move the cursor, the box
stretches.
4. When you have outlined the area you
want to zoom in on, press ¸.
The Graph screen shows the zoomed
area. You can cancel
ZoomBox by
pressing N before you press ¸.
y1(x)=2øsin(x)
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