bn:00411160n
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Categories: 1622 births, 1676 deaths, European mathematician stubs, Swiss scientist stubs, 17th-century Swiss mathematicians
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Johann Rahn  Hans Heinrich Rahn  Johann Heinrich Rahn  Rhonius
EN
Johann Rahn was a Swiss mathematician who is credited with the first use of the division sign, ÷ and the therefore sign, ∴. Wikipedia
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EN
Johann Rahn was a Swiss mathematician who is credited with the first use of the division sign, ÷ and the therefore sign, ∴. Wikipedia
Swiss mathematician Wikipedia Disambiguation
Mathematician (1622-1676) Wikidata
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