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Comptometer

 Home Mathematics History of mathematics History of computing History of computing hardware Mechanical calculators
 0 By others on same topic  0 Discussions  1970-01-01  See my version
The Comptometer is a mechanical calculating machine that was widely used in the early 20th century for performing arithmetic calculations. Invented by Will goddard in the 1880s, the Comptometer was one of the earliest successful calculating devices that allowed users to perform addition, subtraction, multiplication, and division through a series of mechanical keys and levers.

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  1. Mechanical calculators
  2. History of computing hardware
  3. History of computing
  4. History of mathematics
  5. Mathematics
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