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al khawarazmi Al-Khwarizmi (Muḥammad ibn Mūsā al-Khwārizmī محمد بن موسى الخوارزمي) was a Persian[1][2][3] Islamic mathematician, astronomer, astrologer and geographer. He was born around 780 in Khwārizm[2][4][5] (now Khiva, Uzbekistan) and died around 850. He worked most of his life as a scholar in the House of Wisdom in Baghdad. His Algebra was the first book on the systematic solution of linear and quadratic equations. Consequently he is considered to be the father of algebra,[6] a title he shares with Diophantus. Latin translations of his Arithmetic, on the Indian numerals, introduced the decimal positional number system to the Western world in the 12th century.[5] He revised and updated Ptolemy's Geography as well as writing several works on astronomy and astrology. His contributions not only made a great impact on mathematics, but on language as well. The word algebra is derived from al-jabr, one of the two operations used to solve quadratic equations, as described in his book.

Contributed by baytal7ikma on July 5, 2008, at 2:08 PM UTC.

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