🌐EnglishEnglishBahasa IndonesiaDeutschEspañolItalianoPolskiPortuguêsSvenskaРусский한국어中文日本語EntityQ3547325· pop 10· linked from 83 articlesadding machineclass of mechanical calculator, usually specialized for bookkeeping calculationsWikidata factsImageMechanical calculating machine.jpgSources (1)wikidata.orgvia Wikidata · CC0Available in 9 languagesEspañolРусскийPortuguêsBahasa IndonesiaCatalanFilipinoPolski한국어via Wikidata sitelinks · CC0ConnectionscalculatorEntityBurroughs CorporationCompanyCategories1640s introductions1642 beginnings1970s disestablishments19th-century inventionsArithmeticCalculatorsHistory of computingMechanical calculatorsOffice equipment