Go Figure: The Machine That Put Computation In Your Pocket

In 1967, Jerry Merryman, with two colleagues, helped invent the first electronic hand-held calculator. The team wanted to create a device that would make adding machines and slide rules obsolete.

Source: http://www.npr.org/2013/04/15/177369920/go-figure-the-machine-that-put-computation-in-your-pocket?ft=1&f=1019

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