John Napier,Scotsman - PowerPoint PPT Presentation
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John Napier,Scotsman
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1642, Adding Machine. Adds and Subtracts ... Gottfried Wilhelm von Leibniz, German. 1694, Step Reckoner. Could Multiply, divide, subtract and add. Step Reckoner ... – PowerPoint PPT presentation
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Title: John Napier,Scotsman
1
1617, Napiers Bones
John Napier,Scotsman
Multiplies large numbers
2
Arithmetic Machine
Blaize Pascal, Frenchman
1642, Adding Machine Adds and Subtracts using
gears.
3
Step Reckoner
Gottfried Wilhelm von Leibniz, German
1694, Step Reckoner Could Multiply, divide,
subtract and add
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