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22 apr 1614 anni - Tech: John Napier

Descrizione:

John Napier: invents a system of moveable rods (Napier's Rods) based on logarithms which were able to multiply, divide and calculate square and cube roots

Aggiunto al nastro di tempo:

12 nov 2017
0
0
1296

Data:

22 apr 1614 anni
Adesso
~ 411 years ago