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Graef, Jean L. – Science Teacher, 1983
Four ways in which microcomputers can be turned into laboratory instruments are discussed. These include adding an analog/digital (A/D) converter on a printed circuit board, adding an external A/D converter using the computer's serial port, attaching transducers to the game paddle ports, or connecting an instrument to the computer. (JN)
Descriptors: Chemistry, Computer Oriented Programs, Instrumentation, Microcomputers
Peer reviewed Peer reviewed
Speitel, Thomas W. – Science Teacher, 1991
Explains how a computer uses its vision to determine the area, edge length, width, height, and center of mass in two dimensions from photos of backlit sea shells. Includes HyperCard codes used to instruct the computer to make the calculations. (MDH)
Descriptors: Algebra, Area, Computer Assisted Instruction, Computer Science