Casio CFX-9970G User Manual page 181

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