Jumat, 19 Juni 2015

850 - 930 Abu Kamil Shuja ibn Aslam ibn Muhammad ibn Shuja)


850 - 930 Abu Kamil Shuja ibn Aslam ibn Muhammad ibn Shuja) 



[mathematics] born Abu Kamil of Egypt (full name, Forms an important link in the development of algebra between al-Khwarizmi and al-Karaji. Despite not using symbols, but writing powers of x in words, he had begun to understand what we would write in symbols as .
Abū Kāmil, Shujāʿ ibn Aslam ibn Muammad Ibn Shujāʿ (Latinized as Auoquamel,[1] Arabic: ابو كامل, also known as al-āsib al-mi—lit. "the Egyptian reckoner") (c. 850 – c. 930) was an Egyptian Muslim mathematician during the Islamic Golden Age. He is considered the first mathematician to systematically use and accept irrational numbers as solutions and coefficients to equations.[2]His mathematical techniques were later adopted by Fibonacci, thus allowing Abu Kamil an important part in introducing algebra to Europe.[3]

Abu Kamil made important contributions to algebra and geometry.[4] He was the first Islamic mathematician to work easily with algebraic equations with powers higher than   (up to  ),[3][5] and solved sets of non-linear simultaneous equations with three unknown variables.[6] He wrote all problems rhetorically, and some of his books lacked any mathematical notation beside those of integers. For example, he uses the Arabic expression "māl māl shayʾ" ("square-square-thing") for   (i.e.,  ).[3][7]

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