158
10 - 2
Graphing with the Sketch Function
k
k
k
k
k
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}
u
u
u
u
u
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.
u
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
Summary of Contents for CFX-9970G
Page 22: ... CFX 9970G ...
Page 452: ...435 1 2 3 4 5 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 453: ...436 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Page 454: ...437 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 455: ...438 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 458: ...441 1 2 3 4 5 Program for Rotating a Figure No 5 Step Key Operation Display ...
