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HP 9100A: The Premiere of the PC

The HP 9100A programmable desktop calculator (left/front view). Enlarge
Front view of the HP 9100A programmable desktop calculator. Enlarge
Back of the HP 9100A programmable desktop calculator featuring a label with the name Ray Demere. Enlarge
Photo of the HP 9100A programmable desktop calculator (right/front view). Enlarge
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Date: 1968

One of the most important inventions of the twentieth century, the 9100A was the world’s first commercially available programmable desktop calculator and the first commercial scientific calculator, meaning it was capable of complex mathematical functions previously only available through a slide-rule or a large computer. The 9100A would trigger a desktop calculator boom throughout the technology industry and contribute directly to the personal computer revolution. A 1968 advertisement even contained one of the earliest known uses of the phrase “personal computer.”

 

Watch an Inside the Vault video about the HP9100A.

Tags: 1960s • 1968 • Calculator • PC

( C ) HPCA

 
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