Contributions Of Muslim Scientists Nasir Ud Din Tusi:

Al tusi was one of the greatest scientists, Mathematicians, Astronomers, Philosophers, Theologians and physicians of his time. He was a prolific writer and wrote many treatises on varied subjects like Algebra, Arithmetic, Trignometry, Geometery, Logic, Met aphy sics, medicine, ethics and Theology. He served as a minister of Halaku Khan and persuaded him to establish an observatory and library after the destruction of Baghdad. He worked at the observatory and prepared precise tables regarding the motion of the planets. These are also known as "Tables of Khan"