Category:Mechanical calculators

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Articles in category "Mechanical calculators"

There are 16 articles in this category.

* Calculating machine A Abacus Addiator Adding machine Analytical engine

C Comptometer Curta calculator D Difference engine E E6B H Curt Herzstark M Mercedes (calculator)

N Napier's bones O Wilgott Theophil Odhner P Pascal's calculator S Slide rule T Tabulating machine