Al-Marrakushi ibn Al-Banna

Ibn-Al Banna al-Murrakushi (c.1626, Morocco - c.1321, Morocco) was a Moroccan mathematician and astronomer. Al-Banna (Arab: ابن البنا), son of an architect, was taken to Marrakesh, where he learned basic mathematical and geometric skills. He taught at the University of Fez and there he became famous for his knowledge of all branches of mathematics Mathematical contributions

Al-Banna wrote between 51 and 74 treatises, covering varied subjects such as algebra, astronomy, linguistics, rhetoric, and logic. Among his works is an introduction to the elements of Euclid. One difficulty with the works on mathematics written by Al-Banna is whether the material he presents is original and how much is simply his version of the work of other earlier Arab mathematicians and thus a great compiler of mathematical knowledge of the time. p> A work, called Talkhis amal al-hisab (summary of arithmetic operations), includes such things as fractions, sums of squares and cubic, etc. Another work, called the Tanbih al-Albab, covers issues related to: Another work of Al-Banna is the Raf al-Hijab (which raises the veil) which includes how to compute / calculate square roots of a number and a theory of continuous fractions. It is in this work that al-Banna introduces notation mathematics that has led certain authors and historians to believe that algebraic symbolism was developed in the Mathematics of the World Islam by ibn al-Banna and al-Qalasadi Some of his contributions include methods for calculating square root by approximation by series and some results also in the field of series calculation, as well as his work on binomial coefficients (coefficients that multiply the powers of x in the expansion of binomial (1 + x) ^ n). Notes

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