The Rockwell 10R calculator was a 4-function calculator, with a red LED display. It sold for $29.95 in 1974.
Rockwell 10R Calculator (1974)
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The Rockwell 10R calculator was a 4-function calculator, with a red LED display. It sold for $29.95 in 1974. |
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