Born in 1114, Bhaskara Acharya is the last medieval Hindu mathematician and astronomer. He is also known as Bhaskara or Bhaskara II. He was the lineal heir of Brahmagupta, the most famous Hindu mathematician of the seventh century.
Bhaskara Acharya authored 'Bijaganita' on arithmetic, the 'Lilavati' on algebra, and the 'Siddhanta Siromani' on astronomy. The 'Lilavati' deals with quadratic equations, mensuration, Pythagorean triples, and geometric progressions.