Abu Muhammad 'Abdallah ibn Muhammad ibn Hajjaj ibn al-Yasmin al-Adrini
al-Ishbili (died 1204) more commonly known as ibn al-Yasmin, was Berber mathematician.
His place of birth is unknown, but he received his education in Sevilla, Spain.
Little is known of his personal life, except that he was born into a Berber
family. and according to Ibn Sa'id, he was black like his mother. Since some
historians have given him the surname al-Ishbili, he may have been born or
grown up in Seville. Beside mathematics, he also became famous in literature,
law, and particularly in Andalusian poetry.
Works
His most important work is Talqih al-afkar bi rushum huruf al-ghubar
(Fertilization of Thoughts with the Help of Dust Letters (Western Arabic
Numerals)). It is a book of two hundred folios about (among other things) the
science of calculation and geometry. He also wrote three poems (urzaja), one on
algebra, one on irrational quadratic numbers and one on the method of false
position.
Sumber
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Mathematician
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