There are 10 files in the Pass-Around MATH CASTLE distribution disk.

 CASTLE.LST    This File.
 CASTLE.EXE    Math Castle Program 
CASTLE1.EXE    Math Castle Program
 CASTLE.BIN    Math Castle Data
 CASTLE.DAT    Math Castle Data
 CASTLE.MON    Math Castle Data
   MONO.DAT    Math Castle Data
 CASTLE.PRO    Read About Pass-Around 
 CASTLE.DOC    Math Castle Manual
 CASTLE.TIP    Pass-Around Sharing Tips

If you find these files present, you may want to delete them so that
you can start out with a new set of high scores, and with the default
configurations.

 CASTLE.CON    Math Castle configuration file
  SCORE.DAT    Remembers highest scores
    USR.DAT    Remembers highest scores (User Files)
    USR.nnn    Contains user defined problems