mechanical calculator
Sign in to saveAlso known as calculator, calculating machine
mechanical machine for arithmetic operations for absolute calculators
Wikidata facts
- Image
- Mechanical-calculator-Brunsviga-15-01.jpg
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- time of discovery or invention
- 1642-00-00
- Commons category
- Mechanical calculators
Sources (2)
via Wikidata · CC0
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Various desktop mechanical calculators used in the office from 1851 onwards. Each one has a different user interface. This picture shows clockwise from top left: An Arithmometer, a Comptometer, a Dalton adding machine, a Sundstrand, and an Odhner Arithmometer
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slide rule
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Pascal's calculator
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computer
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calculator
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Vienna
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YouTube
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Gottfried Wilhelm Leibniz
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Blaise Pascal
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arithmetic
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Johannes Kepler
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clock
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International Standard Book Number
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Ada Lovelace
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multiplication
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