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apr 22, 1614 - Tech: John Napier

Description:

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

Added to timeline:

9 months ago
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Myopia (Linear Life)

Date:

apr 22, 1614
Now
~ 404 years ago
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