Page:The Algebra of Mohammed Ben Musa (1831).djvu/9

 astronomical tables, translated by Muḥammad ibn Ibrāhīm al-Fazārī from the work of an Indian astronomer who visited the court of in the 156th year of the Hejira (A.D. 773).

The science as taught by, in the treatise now before us, does not extend beyond quadratic equations, including problems with an affected square. These he solves by the same rules which are followed by, and which are taught, though less comprehensively, by the Hindu mathematicians That he should have borrowed from  is not at all probable; for it does not appear that the Arabs had any knowledge of  work before the middle of the fourth century after the Hejira, when  rendered it into Arabic. It