Casio fx-9750G PLUS User Manual
Page 186
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10 - 2
Graphing with the Sketch Function
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Plotting Points
[Sketch]-[PLOT]
When plotting points on a graph, first display the sketch menu and then press 6
(g) 1 (PLOT) to display the plot menu.
• {
Plot} ... {plot a point}
• {
Pl·On} ... {plot point at specific coordinates}
• {
Pl·Off} ... {delete point at specific coordinates}
• {
Pl·Chg} ... {switch status of point at specific coordinates}
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To plot points in the STAT, GRAPH, TABLE, RECUR and CONICS
Modes
[Sketch]-[PLOT]-[Plot]
Example
To plot a point on the graph of
y
=
x
(
x
+ 2)(
x
– 2)
1. After drawing the graph, display the sketch menu and press 6 (g) 1 (PLOT)
1
(Plot) to display the pointer in the center of the screen.
2. Use the cursor keys to move the pointer the locations of the points you want to
plot and press w to plot.
• You can plot as many points as you want.
• The current
x
- and
y
-coordinate values are assigned respectively to variables
X and Y.
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u
u
u
u
To plot points in the RUN or PRGM Mode
[Sketch]-[PLOT]-[Plot]
The following is the syntax for plotting points in these modes.
Plot <
x
-coordinate>, <
y
-coordinate>
Example
To plot a point at (2, 2)
Use the following View Window parameters.
Xmin = –5
Ymin = –10
Xmax = 5
Ymax = 10
Xscale = 1
Yscale =
2