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nov 11, 1673 - Lebniz Machine

Description:

Calculator- designed a calculating machine called the Step Reckoner. (It was first built in 1673.) Binary numbers are ideal for machines because they require only two digits, which can easily be represented by the on and off states of a switch.

Added to timeline:

17 Oct 2017
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Date:

nov 11, 1673
Now
~ 352 years ago

Images: