Abu-Abdullah Muhammad ibn Īsa Māhānī, was a Persian [1] mathematician and astronomer from Mahan, Kerman, Persia. layout and formatting it should ensure no clashes with the top of the infobox Kerman (کرمان is a city in Iran. It is the center of Kerman province. The Persian Empire was a series of Iranian empires that ruled over the Iranian plateau, the original Persian homeland and beyond in Western Asia
A series of observations of lunar and solar eclipses and planetary conjunctions, made by him from 853 to 866, was in fact used by Ibn Yunus. Events By Place Byzantine Empire A Byzantine fleet destroys Damietta, Egypt. Events By Place Asia Fujiwara no Yoshifusa becomes regent of Japan, starting the Fujiwara regentship Ibn Yunus ( Arabic: ابن يونس) (full name Abu al-Hasan 'Ali abi Sa'id 'Abd al-Rahman ibn Ahmad ibn Yunus al-Sadafi al-Misri (c
He wrote commentaries on Euclid and Archimedes, and improved Ishaq ibn Hunain's translation of Menelaus of Alexandria's Spherics. Euclid ( Greek:.) fl 300 BC also known as Euclid of Alexandria, is often referred to as the Father of Geometry Archimedes of Syracuse ( Greek:) ( c. 287 BC – c 212 BC was a Greek mathematician, Physicist, Engineer Menelaus of Alexandria (c 70&ndash140  CE) was a Greek Mathematician and Astronomer, the first to recognize Geodesics He tried vainly to solve an Archimedean problem: to divide a sphere by means of a plane into two segments being in a given ratio of volume. That problem led to a cubic equation, x³ + c²b = cx², which Muslim writers called al-Mahani's equation.