Srinivasa Ramanujan was a self-taught Indian mathematician who made significant contributions to mathematical analysis, number theory, and continued fractions.

The Aryabhatiya is a seminal work in Indian mathematics that covers topics such as arithmetic, algebra, geometry, and astronomy.

Brahmagupta was the first mathematician to develop the concept of zero as a number, and he also developed a method for performing arithmetic operations with zero.

The Brahmasphuta Siddhanta is a comprehensive work on Indian mathematics that covers topics such as arithmetic, algebra, geometry, and astronomy.

Bhaskara II was the first mathematician to develop the Fibonacci sequence, which is a series of numbers in which each number is the sum of the two preceding numbers.

The Lilavati is a treatise on arithmetic and geometry that was written by Bhaskara II.

Aryabhata was the first mathematician to develop the concept of the sine function.

The Surya Siddhanta is a treatise on astronomy that was written by Aryabhata.

Brahmagupta was the first mathematician to develop the concept of the cosine function.

The Siddhanta Shiromani is a comprehensive work on Indian mathematics that covers topics such as arithmetic, algebra, geometry, and astronomy.

Bhaskara II was the first mathematician to develop the concept of the tangent function.

The Aryabhatiya is a seminal work in Indian mathematics that covers topics such as arithmetic, algebra, geometry, and astronomy.

Bhaskara II was the first mathematician to develop the concept of the cotangent function.

The Siddhanta Shiromani is a comprehensive work on Indian mathematics that covers topics such as arithmetic, algebra, geometry, and astronomy.

Bhaskara II was the first mathematician to develop the concept of the secant function.