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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
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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:

4 Oct 2017
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0
166
Calculator history

Date:

jul 1, 1971
Now
~ 47 years ago
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