What were the major contributions of Bhaskaracharya to mathematics and astronomy?

Bhaskaracharya, also known as Bhaskara II, was one of India's greatest mathematicians and astronomers. His major works included Līlavatī, which used riddles and problems to teach basic mathematics, Bījagaṇita on advanced algebra, and SiddhantaShiromaṇi on advanced astronomical. His works were later translated into Persian during the Mughal period. He had exceptional skill in making his writings poetic and enjoyable for students.