ANITA, The 15-Kilogram Calculator
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Key Facts In This Video
William Seward Burroughs was the grandfather of famous writer William S. Burroughs. 00:14
William Seward Burroughs invented the mechanical calculator in 1888. 00:47
The first mechanical calculator was finicky, and showed different answers to the same equation depending on how its lever was pulled. 01:11
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