Drawing Circles - Texas Instruments TI-82 STATS Manual Book

Drawing Circles

Drawing a Circle
Directly on a
Graph
Drawing a Circle
from the Home
Screen or a
Program
To draw a circle directly on a displayed graph using the cursor,
follow these steps.
1. Select
9:Circle(
2. Place the cursor at the center of the circle you want to draw.
Press Í.
3. Move the cursor to a point on the circumference. Press
Í to draw the circle on the graph.
Note: This circle is displayed as circular, regardless of the window
variable values, because you drew it directly on the display. When
Circle(
you use the
program, the current window variables may distort the shape.
To continue drawing circles, repeat steps 2 and 3. To cancel
, press '.
Circle(
draws a circle with center (X,Y ) and radius. These
Circle(
values can be expressions.
X Y radius
Circle( , , )
Circle(
Tip: When you use
the current window values may distort the drawn circle. Use
(Chapter 3) before drawing the circle to adjust the window variables
and make the circle circular.
from the menu.
DRAW
instruction from the home screen or a
on the home screen or from a program,
DRAW
ZSquare
Instructions 8–11