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![Al-KhwÄ?rizmÄ«, from a U.S.S.R. postage stamp, 1983.
[Credit: Ann Ronan Picture Library/Heritage-Images]](https://archive.wikiwix.com/cache/display2.php?url=http%3A%2F%2Fweb.archive.org%2Fweb%2F20110204191210im_%2Fhttp%3A%2F%2Fmedia-2.web.britannica.com%2Feb-media%2F16%2F82416-003-2DE7C860.gif "Al-KhwÄ?rizmÄ«, from a U.S.S.R. postage stamp, 1983.
[Credit: Ann Ronan Picture Library/Heritage-Images]")
al-KhwÄ?rizmÄ«, in full Muḥammad ibn MÅ«sÄ? al-KhwÄ?rizmÄ« (b. c. 780, Baghdad, Iraq—d. c. 850), Muslim mathematician and astronomer whose major works introduced Hindu-Arabic numerals and the concepts of algebra into European mathematics. Latinized versions of his name and of his most famous book title live on in the terms algorithm and algebra.
Al-KhwÄ?rizmÄ« lived in Baghdad, where he worked at the “House of Wisdom” (DÄ?r al-Ḥikma) under the caliphate of al-MaʾmÅ«n. (The House of Wisdom acquired and translated scientific and philosophic treatises, particularly Greek, as well as publishing original research.) Al-KwÄ?rizmÄ«’s work on elementary algebra, ... (100 of 459 words)
Aspects of the topic al-Khwārizmī are discussed in the following places at Britannica.
Articles from Britannica encyclopedias for elementary and high school students.
Al-Khwarizmi was an Arab mathematician and astronomer of the AD 800s. He is known as the Father of Algebra.
(full name Muhammad ibn-Musa al-Khwarizmi) (780-850?), Arab mathematician. Al-Khwarizmi was born in Khwarizm (now Khiva), Russia. He compiled a set of astronomical tables and wrote a treatise, ’Kitab al-jabr wa al-muqabalah’ (The Book of Integration and Equation), from which the term algebra was derived. He is also known for a work that introduced Arabic numerals and methods of calculation by decimal notation to the Western world. The word algorithm originated from the Latin title of that work, ’Al-goritmi de numero Indorum’. (See also Mathematics.)
"al-Khwārizmī." Encyclopædia Britannica. Encyclopædia Britannica Online. Encyclopædia Britannica, 2011. Web. 04 Feb. 2011. <http://www.britannica.com/EBchecked/topic/317171/al-Khwarizmi>.
al-Khwārizmī. (2011). In Encyclopædia Britannica. Retrieved from http://www.britannica.com/EBchecked/topic/317171/al-Khwarizmi
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![Khw?rizm?, al-: Soviet postage stamp [Ann Ronan Picture Library/Heritage-Images]](https://archive.wikiwix.com/cache/display2.php?url=http%3A%2F%2Fweb.archive.org%2Fweb%2F20110204191210im_%2Fhttp%3A%2F%2Fmedia.web.britannica.com%2Feb-media%2F16%2F82416-003-2DE7C860.gif)
![Islamic world: medieval mathematicians [Encyclop?dia Britannica, Inc.]](https://archive.wikiwix.com/cache/display2.php?url=http%3A%2F%2Fweb.archive.org%2Fweb%2F20110204191210im_%2Fhttp%3A%2F%2Fmedia.web.britannica.com%2Feb-media%2F66%2F67366-003-B9DECB0A.gif)
