  PRESS '15' TO SET UP SCALES
  PRESS '61' TO QUIT THIS RUN; '12' TO CONTINUE CALCULATION
  PRESS VARIOUS FUNCTION KEYS FOR GRAPHIC PERFORMANCE
  SCALES HAVE BEEN SET UP AND SAVED IN THE FILE 'SCALE.TMP'
  TO START WITH, PRESS '21' TO DRAW THE SLOPE PROFILE
  (PRESS ANY KEY TO RETURN TO THE MAIN MENU)
  CALCULATION FOR INITIAL ESTIMATE FINISHED NORMALLY
  PRESS ANY KEY TO CONTINUE, 'ESC' TO ESCAPE
  CALCULATION FOR INITIAL ESTIMATE FINISHED ABNORMALLY
  RANDOM SEARCHES IN PROGRESS, ETA - APPROXIMATE OF OBJ. FUN. 
  RANDOM SEARCH FINISHED
     
  CALCULATION FINISHED NORMALLY
  SEARCH FOR MIN OBJ. IN PROGRESS   