Abu Bakr al-Hassar
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Moroccan mathematician
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Mathematics
Why Is Abu Bakr al-Hassar Influential?
(Suggest an Edit or Addition)According to Wikipedia, Al-Hassar or Abu Bakr Muhammad ibn Abdallah ibn Ayyash al-Hassar was a 12th-century Moroccan mathematician. He is the author of two books Kitab al-bayan wat-tadhkar , a manual of calculation and Kitab al-kamil fi sinaat al-adad , on the breakdown of numbers. The first book is lost and only a part of the second book remains.
