Aryabhata, who lived in the 5th century CE, is widely regarded as the 'Father of Indian Mathematics' for his groundbreaking work in number theory, algebra, and astronomy.

Brahmagupta, an Indian mathematician from the 7th century CE, is credited with developing the concept of 'zero' and introducing the decimal system, which had a profound impact on mathematics.

Bhaskara II, also known as Bhaskaracharya, wrote the renowned mathematical treatise 'Lilavati' in the 12th century CE, covering a wide range of mathematical topics.

Srinivasa Ramanujan, a 20th-century Indian mathematician, is renowned for his work on the 'Fibonacci sequence' and his contributions to number theory and combinatorics.

The Pythagorean Theorem, also known as Pythagoras' Theorem, is a fundamental theorem in geometry that relates the sides of a right triangle.

Bhaskara II developed the 'Pascal's triangle', a triangular array of binomial coefficients, and made significant contributions to number theory and combinatorics.

Baudhayana, an ancient Indian mathematician, is known for developing the 'Sulba Sutras', a collection of mathematical texts that provided instructions for constructing altars and performing geometric calculations.

Aryabhata developed the 'Aryabhata's algorithm', a method for solving indeterminate linear equations, which is still used today.

Brahmagupta wrote the mathematical treatise 'Brahmasphuta Siddhanta', which covered a wide range of mathematical topics, including algebra, trigonometry, and astronomy.

Bhaskara II developed the 'Chakravala method', a method for solving indeterminate quadratic equations, which is still used today.

Madhava of Sangamagrama, a 14th-century Indian mathematician, is known for developing the 'Madhava series', a series expansion for various mathematical functions.

Nilakantha Somayaji, a 15th-century Indian mathematician, developed the 'Nilakantha series', a series expansion for the arctangent function.

Madhava of Sangamagrama is known for developing the 'Kerala school of mathematics', which made significant contributions to calculus.

Jyeshtadeva, a 16th-century Indian mathematician, developed the 'Jyeshtadeva's rule', a method for solving cubic equations.