Pascaline
The Pascaline was a mechanical adding machine, or rather a family of such machines, designed by Blaise Pascal (1623-1662). Only one true mechanical calculator, called Schickard's calculating...
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Pascaline
The pascaline, one of the earliest mechanical devices that performed addition and subtraction, was invented in 1642 by the eighteen-year-old French prodigy Blaise Pascal. Although other inve...
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Pascaline
Pascaline