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jul 1, 1971 - Also early 1971 - The first true pocket calculator, the LE-120A "HANDY", is released by Busicom. It is also the first calculator using an LED display, a single IC, and replaceable batteries.
Added to timeline:
Calculator history
By
Casey
4 Oct 2017
0
0
499
Date:
jul 1, 1971
Now
~ 52 years ago
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