Mathematician:Muhammad ibn Musa al-Khwarizmi

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Mathematician

Mathematician who lived and worked in Baghdad.

Famous for his book The Algebra, which contained the first systematic description of the solution to linear and quadratic equations.

Sometimes referred to as "the father of algebra", but some claim the title should belong to Diophantus.


Nationality

Persian


History

  • Born: c. 780 in Khiva, in what is now Uzbekistan
  • Died: c. 850


Theorems and Definitions

  • The term algebra comes from the al-ğabr part of the title of his most famous work.
  • The related terms algorism and algorithm are derived from the Latin form of his name Al-Khwarismi.


Writings

  • 825: Al-jam' w'al-tafriq ib hisab al-hind ("Addition and Subtraction in Indian Arithmetic")
  • c. 825 -- 830: Al-Kitāb al-muḫtaṣar fī ḥisāb al-ğabr wa-l-muqābala (Arabic: الكتاب المختصر في حساب الجبر والمقابلة) : The Compendious Book on Calculation by Completion and Balancing, otherwise known as The Algebra.

A medieval Latin translation of some of his writing survives:

  • Algorithmi de numero indorum ("Calculation with Indian numbers")


Also known as

Full name: محمد بن موسى ابو جعفر الخوارزمي‎ -- Muḥammad bin Mūsā Abū Ǧaʿfar al-Ḫawārazmī.

The name can be arranged differently, for example: Abū 'Abd Allāh Muḥammad ibn Mūsā Abū al-Khwārizmī.

It means: Father of Abdullah, Mohammed, son of Moses, native of Khwārizm.

Lake Khwārizm is what the Aral Sea was once called. The Khwārizm area is in the Amu river basin just south of there.


Sources