HP-10 Hewlet-Packard Four Functions, % |
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| "The HP-10 was a
complete departure from previous HP calculators - neither a financial model nor a
technical one, but instead an "adding machine". It was the smallest HP
calculator so far to have a built-in printer - easily held in one hand, it did not use
RPN, it had only + - x - and % keys; not even a square root, though it had an automatic
constant feature and a single memory register. No wonder the calculator's codename was KISS - "Keep It Simple, Stupid". " Wlodek Mier-Jedrzejowicz. |
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| Source: MoHPC - The Museum of HP Calculators | |