The Baudhayana Sulba Sutra is a collection of mathematical rules written in Sanskrit around 800 BCE.

Aryabhata is considered to be the father of Indian mathematics due to his contributions to astronomy, trigonometry, and algebra.

Brahmagupta is credited with developing the concept of zero in the 7th century CE.

Aryabhata developed the decimal system in the 5th century CE.

Brahmagupta developed the concept of negative numbers in the 7th century CE.

Aryabhata developed the concept of the sine function in the 5th century CE.

Aryabhata developed the concept of the cosine function in the 5th century CE.

Madhava of Sangamagrama developed the concept of the tangent function in the 14th century CE.

Madhava of Sangamagrama developed the concept of the cotangent function in the 14th century CE.

Madhava of Sangamagrama developed the concept of the secant function in the 14th century CE.

Madhava of Sangamagrama developed the concept of the cosecant function in the 14th century CE.

Madhava of Sangamagrama developed the concept of the inverse sine function in the 14th century CE.

Madhava of Sangamagrama developed the concept of the inverse cosine function in the 14th century CE.

Madhava of Sangamagrama developed the concept of the inverse tangent function in the 14th century CE.

Madhava of Sangamagrama developed the concept of the inverse cotangent function in the 14th century CE.