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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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1 lugl 1971 anni - 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.
Aggiunto al nastro di tempo:
4 ott 2017
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496
Calculator history
Data:
1 lugl 1971 anni
Adesso
~ 52 years ago