This is documentation for Mathematica 3, which was
based on an earlier version of the Wolfram Language.
 Circle Circle[ x , y , r ] is a two-dimensional graphics primitive that represents a circle of radius r centered at the point x, y. Circle[ x , y , , ] yields an ellipse with semi-axes and . Circle[ x , y , r , , ] represents a circular arc. Angles are measured in radians counterclockwise from the positive direction. Circle[ x , y , , , , ] yields a segment of an ellipse obtained by transforming a circular arc with the specified starting and ending angles. Scaled[ , ] or Scaled[ , , , ] can be used in the radius specification. The are in scaled coordinates, and the are in absolute coordinates. Offset[ , ] can be used to specify radii in printer's points. The thickness of the circle can be specified using the Thickness primitive. See the Mathematica book: Section 2.9.2, Section 2.9.2. See also: Disk. Further Examples This displays a circle, an ellipse, and an arc of a circle. Evaluate the cell to see the graphic. In[1]:=