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18 h 26 m, 1 fev 1972 ano - Scientific Calculator

Descrição:

First scientific hand-held calculator (HP-35) introduced (US$395).

Adicionado na linha do tempo:

Relevant History

ByCindy Kilpatrick

7 fev 2020

1

0

1806

Data:

18 h 26 m, 1 fev 1972 ano

Agora

~ 53 years ago

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