Hewlett-Packard HP 9100 Programmable Calculator
Description of Resource:
In 1968 Hewlett-Packard introduced the 9100A calculator, a programmable reverse-polish notation (RPN) computing machine that could rapidly perform floating point, trigonometric and hyperbolic functions as well as vector and polar operations. It came with a built-in magnetic card reader/writer for program and data storage. It used a CRT (cathode ray tube) for display of three data registers.
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United States
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Public
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