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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
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15 jun 1967 ano - 1967 - An engineer at Texas Instruments begins work on the first handheld calculator.

Adicionado na linha do tempo:

4 out 2017
0
0
687

Data:

15 jun 1967 ano
Agora
~ 58 years ago