Abu Abdullah Muhammad bin Musa al-Khwarizmi

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Abu Abdullah Muhammad bin Musa al-Khwarizmi (Arabic: محمد بن موسى الخوارزمي) wis a mathematician, astronomer, astrologer an geographer frae Persie. He is thocht tae be born in 780 AD an dee'd aboot 850.

He wrate a beuk cried al-Kitāb al-mukhtaṣar fī ḥisāb al-jabr wa-l-muqābala (Arabic: الكتاب المختصر في حساب الجبر والمقابلة, 'The beuk o summary anent calculatin bi transposeition an reduction'). This wis the first beuk anent reddin linear an quadratic equations. In fact, we get the wird algorithm frae his name (al-Khwarizmi).

Forby thon, he's kent for his wark wi algebra an giein the Wast the mathematical nummer zero an aw.