CP/M 2.2 Boot Disk (Ger) 19?? Digital Research CP/M 2.2 19?? Digital Research Perfect Calc v1.00 1982 Perfect Software Perfect Speller 1982 Perfect Software Perfect Writer 1982 Perfect Software Perfect Writer - Docs and Utilities 198? <unknown> Perfect Writer - Lessons 198? Perfect Software Profit Plan 1982 Chang Laboratories Select - Teach 1981 Select Information Systems Select - Work Processor 1981 Select Information Systems WordStar v3.3 1983 MicroPro Synergy Host Control System 10/11/85 1985 Digital Keyboards