Al-Karaji
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High Quality Content by WIKIPEDIA articles! Ab Bakr ibn Mu ammad ibn al usayn al-Karaj (or al-Karkh ) (c. 953 in Karaj or Karkh c. 1029) was a 10th century Persian Muslim mathematician and engineer. His three major works are Al-Badi' fi'l-hisab (Wonderful on calculation), Al-Fakhri fi'l-jabr wa'l-muqabala (Glorious on algebra), and Al-Kafi fi'l-hisab (Sufficient on calculation). Because al-Karaji's original works in Arabic are lost, it is not certain what his exact name was. It could either have been al-Karkh , indicating that he was born in Karkh, a suburb of Baghdad, or al-Karaj indicating…mehr

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High Quality Content by WIKIPEDIA articles! Ab Bakr ibn Mu ammad ibn al usayn al-Karaj (or al-Karkh ) (c. 953 in Karaj or Karkh c. 1029) was a 10th century Persian Muslim mathematician and engineer. His three major works are Al-Badi' fi'l-hisab (Wonderful on calculation), Al-Fakhri fi'l-jabr wa'l-muqabala (Glorious on algebra), and Al-Kafi fi'l-hisab (Sufficient on calculation). Because al-Karaji's original works in Arabic are lost, it is not certain what his exact name was. It could either have been al-Karkh , indicating that he was born in Karkh, a suburb of Baghdad, or al-Karaj indicating his family came from the city of Karaj. He certainly lived and worked for most of his life in Baghdad, however, which was the scientific and trade capital of the Islamic world. Al-Karaji was an engineer and mathematician of the highest calibre.