Circumference

   5 REM CIRCUMFERENCE SOLUTION
   6 REM ENTER DIAMETER AS REQUIRED
  20 LET P=PI
  30 LET D=35
  40 LET C=P*D
  50 PRINT "THE CIRCLES CIRCUMFERENCE IS :"
  55 PRINT C;" FEET."
  60 STOP 
  65 CLEAR 
  70 SAVE "1002%2"
  80 LIST