Home›Mechanical calculators›Napier's bones🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ1358538· pop 24· linked from 87 articlesNapier's bonesAlso known as Napier bones, Napier rods, Napier's rodsmathematical instrument invented by John NapierWikidata factsImageNapier's calculating tables.JPGSources (1)wikidata.orgvia Wikidata · CC0Available in 22 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةCatalanCroatianConnectionsslide ruleEntityPascal's calculatorEntityCategoriesMechanical calculatorsMultiplicationScottish inventions