Texas Instruments TI-84 - Manual (Page 200)

Chapter 8: Draw Instructions 197
Drawing Circles Drawing Circles Drawing Circles Drawing Circles
Drawing a Circle Directly on a Graph Drawing a Circle Directly on a Graph Drawing a Circle Directly on a Graph Drawing a Circle Directly on a Graph
To draw a circle directly on a displayed graph using the cursor, follow these steps.
1. Select 9:Circle( from the DRAW menu.
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 you use the Circle( instruction from the
home screen or a program, the current window variables may distort the shape.
To continue drawing circles, repeat steps 2 and 3. To cancel Circle( , press
‘.
Drawing a Circle from the Home Screen or a Program Drawing a Circle from the Home Screen or a Program Drawing a Circle from the Home Screen or a Program Drawing a Circle from the Home Screen or a Program
Circle( draws a circle with center ( X,Y ) and radius. These values can be expressions.