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al-Khwārizmī
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Soviet postage stamp featuring a portrait of Al-Khwarizmi in a turban, with Russian text and decorative border, issued to commemorate the 1200th anniversary of his birth. Map showing the birthplaces of prominent mathematicians from the Islamic world, marked with city names and mathematician names across the Middle East and Central Asia. Cities such as Baghdad, Basra, Harran, and others are labeled, each associated with a historical mathematician. Modern country boundaries and a locator inset of the region are included.
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Soviet postage stamp featuring a portrait of Al-Khwarizmi in a turban, with Russian text and decorative border, issued to commemorate the 1200th anniversary of his birth.
Al-Khwārizmī Al-Khwārizmī, from a U.S.S.R. postage stamp, 1983.

al-Khwārizmī

Muslim mathematician
Also known as: Muḥammad ibn Mūsā al-Khwārizmī
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History

al-Khwārizmī (born c. 780 —died c. 850) was a Muslim mathematician and astronomer whose major works introduced Hindu-Arabic numerals and the concepts of algebra into European mathematics. Latinized versions of his name and of his most famous book title live on in the terms algorithm and algebra. Al-Khwārizmī lived in Baghdad, where he worked at the “House of Wisdom” (Dār al-Ḥikma) under the caliphate of al-Maʾmūn. The House of Wisdom acquired and translated scientific and...

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