Omar Khayyam

Omar Khayyam
(c. 1048–c. 1122) Persian astronomer, mathematician, and poet
Omar Khayyam, who was born at Nishapur (now in Iran), produced a work on algebra that was used as a textbook in Persia until this century. He gave a rule for solving quadratic equations, he could solve special cases of the cubic, and – in a last work – seemed to have some inkling of the binomial theorem. He also worked on the reform of the Persian calendar, which was basically the Egyptian one of 365 days, introducing a sixth epagomenic (extra) day and obtaining an accurate estimate of the tropical year.

Scientists. . 2011.

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  • Omar Khayyâm — Omar Khayyam Omar Khayyâm L écrivain et savant persan musulman Ghiyath ed din Abdoul Fath Omar Ibn Ibrahim al Khayyām Nishabouri, plus connu sous le nom d Omar Khayyām (persan : غياث الدين ابو الفتح عمر بن ابراهيم خيام نيشابوري [ḡīyāṯ ad dīn …   Wikipédia en Français

  • Omar Khayyām — Omar Khayyam Omar Khayyâm L écrivain et savant persan musulman Ghiyath ed din Abdoul Fath Omar Ibn Ibrahim al Khayyām Nishabouri, plus connu sous le nom d Omar Khayyām (persan : غياث الدين ابو الفتح عمر بن ابراهيم خيام نيشابوري [ḡīyāṯ ad dīn …   Wikipédia en Français

  • Omar Khayyam — Omar Khayyām Statue im Laleh Park, Teheran Einer der Khayyām zugeschriebenen Vierzeiler Omar Khayyā …   Deutsch Wikipedia

  • Omar Khayyám — [ō′mär kī yäm′, ō′mər kīyam′] died 1123; Pers. poet & mathematician: author of The Rubáiyát …   English World dictionary

  • Omar Khayyam — « Khayyam » redirige ici. Pour le voilier classé Monument historique, voir Khayyam (voilier). Omar Khayyām …   Wikipédia en Français

  • Omar Khayyām — Einer der Khayyām zugeschriebenen Vierzeiler Omar Khayyām oder Umar Khayyām (persisch ‏عمر خیام‎ ’Omar e Chayyām [omare xajɑ:m]; * um 1048 in Nisch …   Deutsch Wikipedia

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  • Omar Khayyám — /oh mahr kuy yahm , yam , oh meuhr/ died 1123?, Persian poet and mathematician. * * * byname of Ghiyāth al Dīn Abū al Fatḥ ʽUmar ibn Ibrāhīm al Neyshābūrī al Khayyāmī born May 18, 1048, Neyshābūr, Khorāsān died Dec. 4, 1131, Neyshābūr Persian… …   Universalium

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