Aryabhata is widely regarded as the father of Indian mathematics due to his significant contributions to astronomy, trigonometry, and algebra.

Brahmagupta is credited with developing the concept of zero and introducing it into the Indian number system.

Bhaskara II's Lilavati is a renowned treatise on mathematics that covers topics such as arithmetic, algebra, geometry, and astronomy.

Madhava of Sangamagrama made significant contributions to the study of infinite series and is considered a pioneer in the development of calculus.

The Triangle Sum Theorem states that the sum of the angles of a triangle is always 180 degrees.

Brahmagupta was the first mathematician to systematically develop the concept of negative numbers and their operations.

Jai Singh II constructed five Jantar Mantars, which are remarkable astronomical observatories located in different cities of India.

Bhaskara II is credited with developing the concept of the Fibonacci sequence, although it was later popularized by Leonardo of Pisa.

Aryabhata is credited with developing the concept of the decimal system, which revolutionized the way numbers were represented and calculated.

Aryabhata developed the concept of the sine function, which is a fundamental trigonometric function used in various mathematical and scientific applications.

Brahmagupta developed the concept of the cosine function, which is another fundamental trigonometric function used in various mathematical and scientific applications.

Madhava of Sangamagrama developed the concept of the tangent function, which is a trigonometric function used in various mathematical and scientific applications.

Madhava of Sangamagrama developed the concept of the cotangent function, which is a trigonometric function used in various mathematical and scientific applications.

Madhava of Sangamagrama developed the concept of the secant function, which is a trigonometric function used in various mathematical and scientific applications.

Madhava of Sangamagrama developed the concept of the cosecant function, which is a trigonometric function used in various mathematical and scientific applications.