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| Abu Jar'far Muhammad ibn Musa al-Khawarizmi | |
| Birth: | 680 |
| Death: | 750 |
| Sex: | M |
| Father: | 'Ali |
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Individual:
The most notable mathematician of the period, Abu Ja'far Muhammad ibn Musa
al-Khawarizmi (680-750 AD), discovered algebraic equations, and some credit
him with the invention of zero. Al-Khawarizmi wrote ten math textbooks, which
have survived. His "Kitab hisab al'adad al-hindi" was an arithmetic textbook,
which introduced Hindu numbers to the Arab world. Now generally known as
Arabic numbers. Mediaeval Christian Europeans were not keen on the
Hindu-Arabic numbers and declared them the work of Satan! His major work is
entitled "Kitab al-jabr w'al-muqabalah" (restoration and balancing) whose
title gives us the word Algebra. Courtesy of an Arabic book collector in
Muslim Spain and the adventurer El Cid, the books were translated into Latin,
and hit renaissance Italy like tactical nuclear culture shock. They couldn't
speak Arabic, of course, so his name came out as "Algorismus". His name
(misspelled again!) has gone into mathematics and computerspeak as Algorithm;
for a step by step process for performing computations.
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