Bhaskara II, also known as Bhaskara the Great, was an influential Indian mathematician and astronomer who lived during the 12th century. He is best known for his work in mathematics, particularly in the fields of algebra and calculus. His most famous text, Lilavati, covers various mathematical concepts, including arithmetic, geometry, and number theory. In addition to Lilavati, Bhaskara II authored Bijaganita, which focuses on algebra and introduces innovative methods for solving equations. His contributions laid the groundwork for future mathematicians and significantly advanced the understanding of mathematics in India and beyond.