162
k
k
k
k
k
Drawing a Circle
[Sketch]
-
[Crcl]
You can use the following procedures to draw a circle on a graph.
u
u
u
u
u
To draw a circle in the STAT, GRAPH, TABLE, RECUR and CONICS
Modes
Example
To draw a circle with a radius of R = 1 centered at point (1, 0)
on the graph of
y
=
x
(
x
+ 2)(
x
– 2)
1. After drawing a graph, display the sketch menu and then press
6
(
g
)
3
(Crcl) to display the pointer in the center of the screen.
2. Use the cursor keys to move the pointer to the location where you want the
center point of the circle to be and press
w
to plot it.
3. Use the cursor keys to move the pointer to a point on the circumference of the
circle (here to point
x
= 0) and then press
w
to draw the circle.
u
u
u
u
u
To draw a circle in the RUN or PRGM Mode
The following is the syntax for drawing circles in these modes.
Circle <center point
x
-coordinate>, <center point
y
-coordinate>, <radius R
value>
• Certain View Window parameters can make a circle appear as an ellipse.
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 ...