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Tinker, Robert – Hands On!, 1984
The game paddle inputs of Apple microcomputers provide a simple way to get laboratory measurements into the computer. Discusses these game paddles and the necessary interface software. Includes schematics for Apple built-in paddle electronics, TRS-80 game paddle I/O, Commodore circuit for user port, and bus interface for Sinclair/Timex, Commodore,…
Descriptors: College Science, Electric Circuits, Electronics, High Schools
Malone, Diana; Tinker, Robert – Hands On!, 1984
Describes "Experiments in Chemistry," in which experiments are performed using software and hardware interfaced to the Apple microcomputer's game paddle port. Experiments include temperature, pH electrode, and EMF (cell potential determinations, oxidation-reduction titrations, and precipitation titrations) investigations. (JN)
Descriptors: Chemistry, College Science, Computer Oriented Programs, Courseware
Tinker, Robert – Hands On!, 1984
Discusses trends and changes in hardware production. For example Sinclair/Timex has stopped mass marketing its computers while others (such as the IBM junior) has finally made its appearance. Strongly advises schools to re-evaluate their hardware purchasing programs in light of these and other changes. (JN)
Descriptors: Elementary Secondary Education, Higher Education, Microcomputers, Purchasing
Tinker, Robert – Hands On!, 1984
Discusses the nature of electronic spreadsheets and their educational applications. These applications focus on rule guessing, functions, the binomial series, slopes, functions of functions, difference equations, simultaneous equations, and two-dimensional fields. (JN)
Descriptors: College Mathematics, Computer Software, Equations (Mathematics), Functions (Mathematics)