VARIABLES HELP
The  VARIA menu allows the setting of some of the variables  that 
affect the program:
  CURSOR JUMP the size in draw units of each jump.
  ROTATION ANGLE amount in degrees that the model is turned  when 
  rotated.
  ARC SECTOR ANGLE degrees of turn in each segment of a circle.
  EXPANSION  FACTOR amount by which the model is changed  by  the 
  EXPANSION  function.
SET VARIABLES presents a dialogue that allows the setting of  for 
variables with at least 8 decimal places of precision.
  
