Brahmagupta was an Indian astronomer and mathematician. He was the head of the astronomical observatory at Ujjain (his probable birthplace). His main, but not sole, achievements in the field of mathematics were the introduction of zero and negative...

598-665? Indian Astronomer and Mathematician Brahmagupta, a Hindu astronomer and mathematician, is best known for work performed while head of the Ujjain astronomical observatory, one of the leading centers for astronomical and mathematical research in...

598-670 Indian astronomer and mathematician whose discussions of number theory prefigured ideas now accepted in mathematics. His Brahmasphutasiddhanta (628), translated as The Opening of the Universe, defined zero as the result obtained when a number...

Brahmagupta (bikhari) (listen (help·info)) (598–668) was an Indian mathematician and...