Casio CFX-9970G User Manual page 185

10 - 2
Graphing with the Sketch Function
k k k k k Drawing a Circle
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
1. After drawing a graph, display the sketch menu and then press 6 (g) 3
2. Use the cursor keys to move the pointer to the location where you want the
3. Use the cursor keys to move the pointer to a point on the circumference of the
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
To draw a circle with a radius of R = 1 centered at point (1, 0)
on the graph of
(Crcl) to display the pointer in the center of the screen.
center point of the circle to be and press w to plot it.
x
circle (here to point
x
-coordinate>, <center point
value>
• Certain View Window parameters can make a circle appear as an ellipse.
y x x x
= ( + 2)( – 2)
= 0) and then press w to draw the circle.
[Sketch]-[Crcl]
y
-coordinate>, <radius R
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