Division with the Schickard Calculator from 1623 - YouTube
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The Schickard Calculator from 1623
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Multiplication with the Schickard Calculator from 1623 and with Napier's Bones - YouTube
Schickard's Calculator and The Pascaline - CHM Revolution
File:Schickard Calculator (1623, Holland, replica in c. 1990) - Computer History Museum (2007-11-10 22.52.58 by Carlo Nardone).jpg - Wikimedia Commons
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The Schickard Calculator from 1623
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Sciences: Mechanical calculator by Blaise Pascal (1623-1662), known as the “Pascaline” for addtions and subtractions,
:max_bytes(150000):strip_icc()/blaise-pascal-calculating-machine-515214884-5c81fc9b46e0fb0001431954.jpg "Biography of Blaise Pascal, Inventor of the Calculator")
Biography of Blaise Pascal, Inventor of the Calculator
German Astronomer, Mathematician, cartographer) - ppt video online download
Addition and Subtraction with the Schickard Calculator from 1623 - YouTube
