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Adam Adamandy Kochański — Wikipedia (en)

Source: Wikipedia (en)
Original: https://en.wikipedia.org/wiki/Adam_Adamandy_Kocha%C5%84ski
License (as archived): CC-BY-SA-4.0
Archived: 2026-11-07T12:33:09.403Z
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Adam Adamandy Kochański — Wikipedia (en) — Wikipedia (en), https://en.wikipedia.org/wiki/Adam_Adamandy_Kocha%C5%84ski (CC-BY-SA-4.0); archived copy: https://metraipolis.com/documento/dc_ec962d4064ef (Metraipolis archive dc_ec962d4064ef, sha256 ff7a1217d2cd0fabe65b71848e43d7041744a986401659255f8a5205cbc68d22)

BibTeX

@misc{dcec962d4064ef,
  title = {Adam Adamandy Kochański — Wikipedia (en)},
  howpublished = {Wikipedia (en)},
  url = {https://en.wikipedia.org/wiki/Adam_Adamandy_Kocha%C5%84ski},
  note = {License CC-BY-SA-4.0; archived copy https://metraipolis.com/documento/dc_ec962d4064ef; sha256 ff7a1217d2cd0fabe65b71848e43d7041744a986401659255f8a5205cbc68d22},
  year = {2026}
}

Archived text

Reproduced under CC-BY-SA-4.0. Attribution: Wikipedia (en), https://en.wikipedia.org/wiki/Adam_Adamandy_Kocha%C5%84ski. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

Adam Adamandy Kochański IPA: [ˈadam adaˈmandɨ kɔˈxaj̃ski] (5 August 1631 – 17 May 1700) was a Polish mathematician, physicist, clock-maker, pedagogue and librarian. He was the Court Mathematician of John III Sobieski. Kochański was born in Dobrzyń nad Wisłą. He began his education in Toruń, and in 1652 he entered the Society of Jesus in Vilnius. He studied philosophy at Vilnius University (then called Vilnius Academy). He also studied mathematics, physics and theology. He went on to lecture on those subjects at several European universities: in Florence, Prague, Olomouc, Wrocław, Mainz and Würzburg. In 1680 he accepted an offer from John III Sobieski, the king of Poland, returning to Poland and taking the position of the king's chaplain, mathematician, clock maker, librarian, and tutor of the king's son, Jakub. He wrote many scientific papers, mainly on mathematics and mechanics, but also on physics, astronomy and philosophy. The best known of his works, Observationes Cyclometricae ad facilitandam Praxin accommodatae, is devoted to the squaring the circle (or alternatively, the quadrature of the circle) and was published in 1685 in the leading scientific periodical of the time, Acta Eruditorum. He also found a famous approximation of π today called Kochański's approximation: 403−23 =3.14153333870509461863… Kochański cooperated and corresponded with many scientists, Johannes Hevelius and Gottfried Leibniz among them. He was apparently the only one of the contemporary Poles to know elements of the newly invented calculus. As a mechanic he was a renowned clock maker. He suggested replacing the clock's pendulum with a spring, and standardizing the number of escapements per hour. He died in Teplice in Bohemia.

Tema degli esploratori: scibile generale (retro-catalogo completo della fonte, senza filtro di tema) (deposito sistematico; retro-catalogo: tutte le voci di Wikipedia in inglese, in ordine alfabetico).
Fonte: Wikipedia in inglese, voce «Adam Adamandy Kochański» — https://en.wikipedia.org/wiki/Adam_Adamandy_Kocha%C5%84ski
Wikidata Q348552: «matematico polacco» (dati Wikidata in CC0 1.0) — https://www.wikidata.org/wiki/Q348552
Autori: i contributori di Wikipedia (cronologia: https://en.wikipedia.org/wiki/Adam_Adamandy_Kocha%C5%84ski?action=history).
Licenza: Creative Commons Attribuzione-Condividi allo stesso modo 4.0 (CC BY-SA 4.0) — https://creativecommons.org/licenses/by-sa/4.0/. Il riuso richiede attribuzione e stessa licenza.
Estratto dell'introduzione non modificato nel contenuto; revisione 1318682105, consultata il 2026-11-07T12:28:55.606Z tramite l'API ufficiale di Wikipedia. Impronta SHA-256 dell'estratto: 762c1d3fef2bb4df1eba91a5f920599a37b5f5d8b9371fa720868861731af248