Casio fx-7400G PLUS Graphing - Manual (Page 18)

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Chapter 4 Graphing
Use the following View Window parameters.
Xmin = –8 Ymin = –30
Xmax = 8 Ymax = 30
Xscl = 5 Yscl = 10
1. After graphing the functions, press !2 (ZOOM), and the pointer appears on
the screen.
!2(ZOOM)
2. Use the cursor keys ( d, e, f, c) to move the pointer to the location that
you want to be the center of the new display.
d ~ d f ~ f
3. Press 2 (FACT) to display the factor specification screen, and input the factor
for the x - and y -axes.
2(FACT)
f wfw
4. Press Q to return to the graphs, and then press 3 (IN) to enlarge them.
Q3(IN)
This enlarged screen makes it clear that the graphs of the two expressions are not
tangential.
• Note that the above procedure can also be used to reduce the size of a graph
(zoom out). In step 4, press 4 (OUT).
1 2 3 4