160
u
u
u
u
u
To turn plot points on and off in the RUN or PRGM Mode
The following are the syntax for turning plot points on and off in these modes.
• To turn a plot point on
PlotOn <
x
-coordinate>, <
y
-coordinate>
• To turn a plot point off
PlotOff <
x
-coordinate>, <
y
-coordinate>
• To change the on/off status of a plot point
PlotChg <
x
-coordinate>, <
y
-coordinate>
k
k
k
k
k
Drawing a Line
[Sketch]
-
[LINE]
To draw a line on a graph, first display the sketch menu and then press
6
(
g
)
2
(LINE) to display the line menu.
• {
Line
} ... {Draw a line between two plotted points}
• {
F·Line
} ... {Draw a line}
u
u
u
u
u
To connect two plotted points with a line in the STAT, GRAPH,
TABLE, RECUR and CONICS Modes
[Sketch]
-
[LINE]
-
[Line]
Example
To draw a line between the two points of inflection on the
graph of
y
=
x
(
x
+ 2)(
x
– 2)
Use the same View Window parameters as in the example on page
155.
1. After drawing a graph, display the sketch menu and then 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 to one of the points of inflection and
press
w
to plot it.
3. Use the cursor keys to move the pointer to the other point of inflection.
10 - 2
Graphing with the Sketch Function
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 ...