McGraw-Hill 1983

ATARI 400/800 users will find quick-reference tips on DOS, ATARI BASIC, numeric functions, machine functions, and more in this DiskGuide. Tables, charts, and diagrams are also included in this easy-to-use, computer-side reference.
Atari 400/800/XL/XE News and Information
ATARI 400/800 users will find quick-reference tips on DOS, ATARI BASIC, numeric functions, machine functions, and more in this DiskGuide. Tables, charts, and diagrams are also included in this easy-to-use, computer-side reference.