Casio FX-9750G PLUS User's Manual & Technical Reference page 162

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Other Graphing Functions
u u u u u To use factor zoom
With factor zoom, you can zoom in or zoom out on the display, with the current
pointer location being at the center of the new display.
1. After graphing the functions, press 2 (Zoom), and the pointer appears on the
2. Use the cursor keys to move the pointer to the location that you want to be the
3. Press 2 (FACT) to display the factor specification screen, and input the factor
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• To return to the original graph, press 2 (Zoom) 6 (g) 1 (ORIG).
• Nothing happens if you try to locate the second corner at the same location
or directly above the first corner.
• You can use box zoom for any type of graph.
• Use the cursor keys to move the pointer around the display.
Example Graph the two functions below, and enlarge them five times in
order to determine whether or not they are tangential.
x
Y1 = (
Use the following View Window parameters.
Xmin
Xmax = 8
Xscale = 5
screen.
center of the new display.
x y
for the - and -axes.
2(FACT)
fwfw
x x
+ 4) ( + 1) ( – 3)
= –8 Ymin
Ymax = 30
Yscale = 10
[Zoom]-[FACT]-[IN]/[OUT]
x
Y2 = 3 + 22
= –30
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