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may 13, 1640 - Pascaline

Description:

Blaise Pascale invented the Pascaline

An adding machine to help his father (a tax collector) figure accounts. It was used as a number cruncher. Only like 12 were ever actually sold.

Added to timeline:

30 Nov 2018
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Date:

may 13, 1640
Now
~ 385 years ago