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<*person*> An astronomer, geographer and mathematician, born around
780 CE in Khwarizm (modern Khiva), south of the Aral Sea.
Khawarizmi founded algebra and algorithms (named after him),
synthesised Greek and Hindu knowledge, introducing the Indian
system of numerals (now known as Arabic numerals), developed
operations on fractions, trigonometric tables containing the
sine functions, the calculus of two errors and the decimal
system, explained the use of zero, perfected the geometric
representation of conic sections, collaborated in the degree
measurements aimed at measuring of volume and circumference of the
Earth and produced the first map of the known world in 830 CE. He
died around 850 CE.

Muslim Heritage.com (http://muslimheritage.com/day_life/default.cfm?ArticleID=317&Oldpage=1]).

(2008-07-08)

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