Fact) - Casio FX-7400G User Manual

k k k k k Zoom
The zoom feature lets you enlarge and reduce a graph on the display.
u u u u u Before using zoom
Immediately after drawing a graph, press !2 (ZOOM) to display the Zoom Menu.
!2(ZOOM)
1 (BOX) ....... Graph enlargement using box zoom
2 (FACT) ..... Displays screen for specification of zoom factors
3 (IN) ........... Enlarges graph using zoom factors
4 (OUT) ....... Reduces graph using zoom factors
[
1 (ORIG) ..... Original size
Press [ to return to the previous menu
u u u u u To use box zoom
With box zoom, you draw a box on the display to specify a portion of the graph, and
then enlarge the contents of the box.
Example To use box zoom to enlarge a portion of the graph
x
( + 4) (
Use the following View Window parameters.
Xmin
Xmax = 8
Xscl
1. After graphing the function, press !2 (ZOOM).
!2(ZOOM)
x
+ 3)
= –8 Ymin
Ymax = 2
= 2 Yscl
Graphing Chapter 4
1 2
1 2
= –4
= 1
1 2
3 4 [
3 4 [
y x
= ( + 5)
3 4
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