Indian Mathematicians and Astronomers

Bhaskara II wrote the astronomical treatise 'Lilavati', which focuses on arithmetic and geometry.

Pancasiddhantika is the astronomical treatise written by Varahamihira, which contains his observations and theories on astronomy.

Aryabhata developed the trigonometric functions sine and cosine, which are essential in trigonometry and astronomy.

The author of 'Surya Siddhanta' is unknown, but it is considered to be one of the most important astronomical treatises in ancient India.

Aryabhata developed the concept of the 'mean motion of the Sun', which is the average daily motion of the Sun along the ecliptic.

Aryabhata developed the concept of the 'precession of the equinoxes', which is the gradual shift in the position of the equinoxes over time.

Brihat Samhita is the astronomical treatise written by Varahamihira, which contains his observations and theories on astronomy, astrology, and other related topics.

Aryabhata is widely regarded as the father of Indian astronomy due to his groundbreaking work in the 5th century CE.

Aryabhata proposed the heliocentric model in his treatise Aryabhatiya, which placed the Sun at the center of the solar system.

Brahmagupta is credited with developing the concept of zero and the decimal system, which revolutionized mathematics.

Bhaskara II made significant contributions to indeterminate equations, also known as Diophantine equations.

Bhaskara II wrote Lilavati, a comprehensive treatise on arithmetic and geometry.

Varahamihira developed the mean motion theory, which provided a more accurate calculation of planetary positions.

Varahamihira authored Brihat Samhita, an extensive work covering a wide range of subjects.

Bhaskara II developed the chakravala method, a powerful technique for solving indeterminate equations.