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Multiplication tables (7 h 50 min, 18 nov 2018 ans – 20 h 53 min, 30 juill. 2019 ans)

Description:

Until the 1960s, complicated computations were done with the help of mathematical tables.

Ajouté au bande de temps:

Counting/Caculating Inventions

4 nov. 2019

0

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360

Date:

7 h 50 min, 18 nov 2018 ans

20 h 53 min, 30 juill. 2019 ans

~ 8 months

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