### 12.11.3 Circles (TI compatibility): Circle

The Circle command takes three mandatory arguments and an optional argument. The first two arguments are the x and y coordinates of the center and the third is the radius.

Circle returns and draws the circle.
Input:

Circle(-1,0,2)

Output:

The optional fourth argument is either 0 or 1. If it is 1, then Circle will draw the circle; this is the default. If it is 0, then Circle will erase the circle.