Anmerkungen:
System requirements for computer disks (same programs (version 3.0) on one 3 1/2 in. and two 5 1/4 in. disks): IBM PC, PC/XT, PC/AT, or compatible computer; at least 540K RAM; MS-DOS; hard disk recommended; CGA, EGA, VGA, or Hercules card for graphics; mathematics coprocessor (recommended but not essential)