bn:00354292n
Noun Named Entity
Categories: Computer-related introductions in the 19th-century, Inventions in the collection of the Smithsonian Institution, Mechanical calculators, 1820 introductions
EN
arithmometer  arithmometers  arithmometre  arithmomètre
EN
The arithmometer was the first digital mechanical calculator strong enough and reliable enough to be used daily in an office environment. Wikipedia
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EN
The arithmometer was the first digital mechanical calculator strong enough and reliable enough to be used daily in an office environment. Wikipedia
Digital mechanical calculator Wikidata
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