from
The Free On-line Dictionary of Computing (8 July 2008)
Muhammad ibn Musa al-Khwarizmi
al-Khwarizmi
Khwarizmi
Mohammed Al-Khawarizmi
Muhammad al-Khwarizmi
<person> (Farsi: "محمد بن موسى الخوارزمي") 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)