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Joachim Schelen

Joachim Schelen (ka Schelenius; 1611 Treptow – 23. aprill 1673) oli saksa matemaatik, kes töötas Tartu ülikoolis.

Ta õppis 1630. aastail Königsbergi Ülikoolis.

Ta oli Tartu ülikooli professor ja aastail 1653–1654 Academia Gustaviana rektor.

Ta andis aastail 1652–1655 välja esimesed Tartu Ülikooli matemaatikaõpikud, mis olid ladina keeles. Üks neist kirjeldas John Napieri pulkade kasutamisest korrutamisel (rabdologiae), teises Galilei circini proportionalis't. 1665. aastal kirjastas ta mahuka teose "Cursus matematici", mille osad olid "Geometria", "Arithmetica Generalis & Specialis", "Geodesia" ja mõned lisad.[1]

  1. Lumiste, Ülo 1994. Background: Mathematics in Estonia until 1940. In: Lumiste, Ülo; Peetre, Jaak (eds.), Edgar Krahn 1894–1961: A Centenary Volume. Amsterdam: IOS Press, 5–22. (Lk 9.)
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Joachim Schelen
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