Ibn al-Yasamin


Abu Muhammad 'Abdallah ibn Muhammad ibn Hajjaj ibn al-Yasmin al-Adrini al-Ishbili 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. It is a book of two hundred folios about the science of calculation and geometry. He also wrote three poems, one on algebra, one on irrational quadratic numbers and one on the method of false position.