Aryabhatiya is Aryabhata's first work, written in 499 CE.

Aryabhatiya was written in Sanskrit, the classical language of India.

Aryabhatiya has four chapters: Ganitapada, Kalakriyapada, Golapada, and Khandakhadyaka.

Ganitapada is the first chapter of Aryabhatiya and deals with arithmetic.

Kalakriyapada is the second chapter of Aryabhatiya and deals with astronomy.

Golapada is the third chapter of Aryabhatiya and deals with spherics, the study of the sphere.

Khandakhadyaka is the fourth chapter of Aryabhatiya and deals with indeterminate equations.

Aryabhata's most famous result is his approximation of the value of pi, which he gave as 3.1416.

Surya Siddhanta is Aryabhata's second work, written in 500 CE.

Surya Siddhanta was written in Sanskrit, the classical language of India.

Surya Siddhanta has 14 chapters.

Surya Siddhanta is an astronomical treatise that deals with the motion of the sun, moon, and planets.

Aryabhata's most important contribution to astronomy is his theory of planetary motion, which is based on the idea that the planets move in elliptical orbits around the sun.

Pancasiddhantika is Aryabhata's third work, written in 510 CE.

Pancasiddhantika was written in Sanskrit, the classical language of India.

Pancasiddhantika has five chapters.

Pancasiddhantika is an astronomical treatise that deals with the motion of the sun, moon, and planets.

Aryabhata's most important contribution to mathematics is the invention of the zero, which revolutionized the way that numbers were represented and used.