Following a brief description of types of computer assisted instruction (tutorial, drill and practice, and simulation/games), this document provides the following BASIC programming routines: variable typing, range error maskings, default entries, having user check input, allowing users to change input, response checker for numbers, response checker for strings, a simple parser, setup interactive style, interactive style, screen scroller, screen oriented format, window poker, print using for numbers, centering text, word wrap, putting text in boxes, printer interfacer, typewriter sound, menu maker, user self pacer, user pacer pre-defined, right answer routine, wrong answer routine, section feedback, fading prompts, help screens, and exit routine. Each description includes purpose and use of the routine, how to check a program for the routine, and how to program the routine in BASIC. (LMM)