2-12 Aplets and their views
To box zoom The Box Zoom option lets you draw a box around the area you
want to zoom in on by selecting the endpoints of one diagonal
of the zoom rectangle.
1. If necessary, press
0(18_
to turn on the menu-key labels.
2. Press
=220_
and select
%2;_
.
3. Position the cursor on one corner of the rectangle. Press
2._
.
4. Use the cursor keys
(*e,, etc.) to drag to the
opposite corner.
5. Press
2._
to zoom in on
the boxed area.
To set zoom
factors
1. In the Plot view, press
0(18_
.
2. Press
=220_
.
3. Select Set Factors... and press
2._
.
4. Enter the zoom factors. There is one zoom factor for the
horizontal scale (XZOOM) and one for the vertical scale
(YZOOM).
Zooming out multiplies the scale by the factor, so that a
greater scale distance appears on the screen. Zooming in
divides the scale by the factor, so that a shorter scale
distance appears on the screen.
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