Hand-held Calculator
by Texas Instruments. Introduced in 1976.
The model shown is from 1981
Little Professor (1976)
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Little Professor Hand-held Calculator by Texas Instruments. Introduced in 1976. The model shown is from 1981 |
History of Computing
An Encyclopedia of the People and Machines that Made Computer History
Copyright ⌐ 1982-2000, Lexikon Services "History of Computing" ISBN 0-944601-78-2