Aryabhata's Work "Aryabhatiya"

Aryabhatiya is a seminal work by the ancient Indian mathematician and astronomer Aryabhata, written in 499 CE. It covers various topics, including arithmetic, algebra, and astronomy. Aryabhata introduced the concept of zero, used positional notation, and developed methods for solving quadratic equations. He also accurately calculated the Earth's circumference and proposed that the Earth rotates on its axis, explaining day and night. The work emphasizes the importance of mathematics in understanding celestial phenomena, laying the groundwork for future advancements in both mathematics and astronomy, significantly influencing these fields in India and beyond.