Casio fx-9750G Graphing User Manual
Page 30
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4. Press
J
to return to the graphs, and then press
3
(IN) to enlarge them.
J
3
(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).
• The above procedure automatically converts the
x
-range and
y
-range View Win-
dow values to 1/5 of their original settings. Pressing
6
(
g
)
5
(PRE) changes
the values back to their original settings.
• You can repeat the factor zoom procedure more than once to further enlarge or
reduce the graph.
uuuuu
To initialize the zoom factor
Press
2
(Zoom)
2
(FACT)
1
(INIT) to initialize the zoom factor to the following
settings.
Xfact = 2 Yfact = 2
• You can use the following syntax to incorporate a factor zoom operation into a
program.
Factor
• You can specify only positive value up to 14 digits long for the zoom factors.
• You can use factor zoom for any type of graph.
k
k
k
k
k
Using the Auto View Window
The auto View Window feature automatically adjusts
y
-range View Window values
so that the graph fills the screen along the
y
-axis.
Example
To graph
y
=
x
2
– 5 with Xmin = –3 and Xmax = 5, and then use
auto View Window to adjust the
y
-range values
1. After graphing the function, press
2
(Zoom).
2
(Zoom)
1 2 3 4
5
6
8 - 6
Other Graphing Functions