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NotesKey Operation Display
Example
13
Rapid zoom
Rapid zoom offers one-touch adjustment of window size while viewing the graph.
No more
guessing or wasting class time to find optimal values for window size.
Adjust the viewing window for y = x
3
+ x
2
- 2x
to show the entire graph.
1
2
3
4
Create the graph y = x
3
+ x
2
- 2x
using the following conditions:
X-range: xmin = -3
xmax = 3
xscl = 1
Y-range: ymin = -1.5
ymax = 1.5
yscl = 0.5
View display (adjusted).
Enter Rapid Zoom mode.
5
Change X-range from Ymax = 1.5 to
Ymax=2. Draw the graph.
EZ
Features
Y
=
1
5
(–)
3
3
1
(–)
51
5
Repeat: Change Y-range from Ymax
= 2 to Ymax=2.5. Draw the graph
3
a
b
x
2
2
X/T X/T
X/T