Circles (TI compatibility): Circle

### 13.11.3 Circles (TI compatibility): Circle

The Circle command creates a circle.

- Circle takes three mandatory arguments and one optional argument:
  - x,y,r, three real numbers.
  - Optionally, n, either 0 or 1 (by default, 1).
- Circle(x,y,r,n) returns the circle centered at (x,y) with radius r. If n=1, it also draws the circle; if n=0, it erases it.

#### Example.

Input:

Circle(-1,0,2)

Output: