Abu Ali al-Hasan al-Marrakushi
Encyclopedia
Abu Ali al-Hassan al-Marrakushi (fl.
1281/2) was a Moroccan astronomer and mathematician. He was especially important in the field of trigonometry. He described more than 240 stars. He is the author of a very large compendium on spherical astronomy and astronomical instruments (sundials, astrolabes) entitled ami’ al-mabadi' wa'l-ghayat. He wrote this treatise in Cairo
. It was translated into French by J. J. Sedillot in 1834. He also the author of Kitab al-Kotua al-Makhrutia (Conical Sections).
Floruit
Floruit , abbreviated fl. , is a Latin verb meaning "flourished", denoting the period of time during which something was active...
1281/2) was a Moroccan astronomer and mathematician. He was especially important in the field of trigonometry. He described more than 240 stars. He is the author of a very large compendium on spherical astronomy and astronomical instruments (sundials, astrolabes) entitled ami’ al-mabadi' wa'l-ghayat. He wrote this treatise in Cairo
Cairo
Cairo , is the capital of Egypt and the largest city in the Arab world and Africa, and the 16th largest metropolitan area in the world. Nicknamed "The City of a Thousand Minarets" for its preponderance of Islamic architecture, Cairo has long been a centre of the region's political and cultural life...
. It was translated into French by J. J. Sedillot in 1834. He also the author of Kitab al-Kotua al-Makhrutia (Conical Sections).