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19 ene 1630 año - Slide Rule

Descripción:

William Oughtred invented the slide rule using a type of balancing fractions trick to be able to compute the 4 basic arithmetic steps.

A slide rule is ANALOG; the word analog comes from analogous cause its not just like counting digits/integers

Añadido al timeline:

30 nov 2018
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fecha:

19 ene 1630 año
Ahora mismo
~ 396 years ago