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Calculators2
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Creative Computing2
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Tufte, Edward R.1
Zinn, Karl L.1
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Sophisticated Electronic Pocket Calculators: Theory and Practice for the Consumer and User
Tufte, Edward R. – Creative Computing, 1977
Nine principles concerning calculators are identified and discussed. (DT)
Descriptors: Calculators, Consumer Economics, Consumer Education, Electronic Equipment
Speak and Spell Spelling B.
Zinn, Karl L. – Creative Computing, 1978
This product review discusses trends in the development of hand-held learning aids, including calculators. Two electronic spelling aids are described. Features include a speaker through which the machines respond to entries. (Author/MP)
Descriptors: Autoinstructional Aids, Calculators, Educational Trends, Electronic Equipment