Qāḍī Zāda al-Rūmī
Qāḍī Zāda al-Rūmī (1364 in Bursa, Ottoman Empire – 1436 in Samarqand, Timurid Empire), whose actual name was Salah al-Din Musa Pasha (qāḍī zāda means "son of the judge", al-rūmī "the Roman" indicating he came from Asia Minor, which was once Roman), was a Turkish astronomer and mathematician who worked at the observatory in Samarkand. He computed sin 1° to an accuracy of 10−12.
Together with Ulugh Beg, al-Kāshī and a few other astronomers Qāḍī Zāda produced the Zij-i-Sultani, the first comprehensive stellar catalogue since the Maragheh observatory's Zij-i Ilkhani two centuries earlier. The Zij-i Sultani contained the positions of 992 stars.
His works
- Sharh al-Mulakhkhas (Commentary on Jaghmini's compendium on the science of Astronomy
- Sharh Ashkal al-Ta'sis (Commentary on Samarkandi's Arithmetics)
Further reading
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External links
- Lua error in package.lua at line 80: module 'strict' not found. (PDF version)
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- Wikipedia pages with incorrect protection templates
- 1364 births
- 1436 deaths
- 14th-century mathematicians
- 15th-century mathematicians
- Mathematicians of medieval Islam
- Turkish scientists
- 15th-century astronomers
- Medieval Turkic mathematicians
- World Digital Library related
- Turkish scientist stubs
- Asian mathematician stubs
- European mathematician stubs