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al-Khwarizmi, (Abu Ja'far Muhammad ibn Musa)



Arab scholar, who wrote in Baghdad on astronomy, geography, and mathematics. His writings in Latin translation were so influential in mediaeval Europe that the methods of arithmetic based on the Hindu (or so-called Arabic) system of numeration became known in mediaeval Latin, by corruption of his name, as algorismus, from which comes the English algorithm. The word algebra is derived from the word al-jabr in the title of his book on the subject.

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