! Practice Program 12-1

! Draw three squares.

SET MODE "graphics"

LET Ratio = 1.4

SET WINDOW -(50 * Ratio), 50 * Ratio, -50, 50

BOX LINES -5, 5, -5, 5

PAUSE 1

SET COLOR "red"

BOX LINES -10, 10, -10, 10

PAUSE 1

SET COLOR "green"

BOX LINES -15, 15, -15, 15

PAUSE 1

END

The result:

Three concentric squares of different colors