Feb 122017
 

https://blogs.msdn.microsoft.com/ashleyf/2010/09/25/microcode-level-hp-35-emulator-in-javascript/

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Microcode-level HP-35 Emulator (in JavaScript!)

★★★★★

★★★★

★★★

★★

Ashley Nathan FenielloSeptember 25, 20105

[Part 1 of the HP Calc
series
]

I recently started a super-geeky side hobby of collecting vintage calculators and got my hands on a pair of HP calcs. The more I learned about the internals of the devices, the more intrigued I was. Jacques Laporte has an absolutely wonderful site going into crazy detail.

In 1972, Hewlett-Packard amazed the engineering world and killed the slide rule with the release of the HP-35 calculator; the very first hand-held electronic scientific calculator. Most astonishing was that apparently even cute girls loved RPN and were impressed by the device’s ability to do transcendental logarithm and trigonometry functions.

 Posted by at 12:01 pm

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