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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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15 giug 1967 anni - 1967 - An engineer at Texas Instruments begins work on the first handheld calculator.
Aggiunto al nastro di tempo:
4 ott 2017
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Calculator history
Data:
15 giug 1967 anni
Adesso
~ 56 years ago
