# Computer Dictionary/Mohammed Al-Khawarizmi

mathematician, born 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 [[Computer Dictionary/calculus of two errors|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.

[1] Muslim Heritage.com].

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