Casio fx9750G User Manual page 135

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.
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
P.155 5 (AUTO) .... Automatically sizes the graph so it fills the screen along the
6 (g) ........... Next menu
1 (ORIG) ..... Original size
2 (SQR) ....... Adjusts ranges so
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3 (RND) ....... Rounds coordinates at current pointer location.
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4 (INTG) ...... Converts
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5 (PRE) ....... After a zoom operation, returns View Window parameters to
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6 (g) ........... 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
2(Zoom)
axis.
6(g)
previous settings.
To use box zoom to enlarge a portion of the graph
x x
( + 4) ( + 3)
Use the following View Window parameters.
Xmin = –8
Xmax = 8
Xscale = 2
Other Graphing Functions
x
-range equals
x - and y -axis values to integers.
Ymin = –4
Ymax = 2
Yscale = 1
1 2 3 4 5 6
1 2 3 4 5 6
y
-range.
y x
= (
8 - 6
y -
+ 5)
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