Śrîpati: An eleventh-century Indian mathematician

?rîpati (fl. a.d. 1039–1056) is best known for his writings on astronomy, arithmetic, mensuration, and algebra. This article discusses ?rîpati's arithmetic, the Ga$\text{n}\text{?}$itatilaka, as well as the arithmetical and algebraic chapters of the Siddhânta?ekhara. In addition to discussing the kinds of problems considered by ?rîpati and the techniques he used to solve them, the article considers the sources upon which ?rîpati drew. A glossary of Indian treatises and technical terms is provided.