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jan 1, 1968 - Hewlett Packard 9100A

Description:

1968

The 9100A was the first scientific calculator by the modern definition, i.e., capable of trigonometric, logarithmic (log/ln), and exponential functions, and was the beginning of Hewlett-Packard's long history of using Reverse Polish notation (RPN) entry on their calculators.

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Electronic Age Devices

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10 Jan 2020
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Date:

jan 1, 1968
Now
~ 57 years ago

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