What was aryabhata achievements?

Aryabhata, an ancient Indian mathematician and astronomer, made significant contributions to mathematics and astronomy in the 5th century CE. He is best known for his work "Aryabhatiya," where he introduced concepts such as the place value system and zero, and provided methods for solving quadratic equations. He also accurately calculated the value of pi and proposed that the Earth rotates on its axis, a revolutionary idea for his time. His pioneering work laid the foundation for future developments in both mathematics and astronomy.