C C Draw ellipse and fill with random color. C C Draw vertical and horizontal lines. Vertical line style C is anything other than horizontal style. Since lines C are overdrawn with several line styles, this has the C effect of combining colors and styles. C C Get linestyle, invert bits, and reset linestyle.
C C Save old cursor shape and make sure cursor is on.
C C Change cursor shape. C Cursor uses scan lines 0-7. END DO END DO END DO C C Label windows and frame with rectangles. In last window, make rectangle sides 2 pixels wide by C encasing unfilled rectangles with another rectangle. Now we show you a few Mathematica plots.