Presents information on interfacing microcomputers for scientific users of S-100, TRS-80, PET, and Apple microcomputers, including device-select pulses, programing considerations, data input, data output, and power supplies. (JN)

Discusses the problems of increased noise levels when using microcomputers as interfaces to chemistry laboratory instruments. Describes how to properly connect a laboratory instrument to a microcomputer's A/D converter board. Suggests how to obtain an analog signal free of interference noise. (TW)

Identifies six computer-oriented approaches to teaching concepts in chemistry. Describes courseware and equipment involved in various experiments dealing with such topics as polymer configurations, stepper motors, conductometric titration, kinetic spectrophotometry, and overlap integrals. (TW)