Mathematics in Ancient and Medieval India c4.s2.14

c4.s2.14

The modern *Sūrya Siddhānta*¹ which is a standard astronomical treatise is of particular interest from mathematical point of view. It is divided into 14 chapters and its astronomical calculations are accepted and followed throughout India. The original *Sūrysiddhānta* which is now lost, began to take shape from about the fourth or fifth century A.D. at a time when old astronomical ideas and calculations came to be revised and placed on a scientific and mathematical basis. A rough idea of the contents of this work may be had from chs. i, ix, x, xi, xvi and xvii of the *Pañcasiddhāntikā* of Varāhamihira. The text in its present form is of much later development and result of many corrections and interpolations. There is a considerable agreement between the *Sūryasiddhān-*