Aryabhata, an ancient Indian mathematician and astronomer, is widely regarded as the pioneer of the decimal system.

The symbol 'Shunya' was used to represent zero in the Indian numeral system.

Brahmagupta, an influential Indian mathematician, introduced the concept of negative numbers and developed rules for their operations.

The symbol 'Ananta' was used to represent infinity in Indian mathematics.

Bhaskara II, a renowned Indian mathematician, developed the Fibonacci sequence, which is a series of numbers where each number is the sum of the two preceding ones.

The symbol 'Vargamula' was used to represent the square root in Indian mathematics.

Aryabhata, a pioneering Indian mathematician, developed the concept of the sine function and formulated trigonometric identities.

The symbol 'Jya' was used to represent the cosine function in Indian mathematics.

Bhaskara II, a prominent Indian mathematician, developed the concept of the tangent function and formulated trigonometric identities involving it.

The symbol 'Kojya' was used to represent the cotangent function in Indian mathematics.

Bhaskara II, a renowned Indian mathematician, developed the concept of the secant function and formulated trigonometric identities involving it.

The symbol 'Utkrama-koti-jya' was used to represent the cosecant function in Indian mathematics.

Bhaskara II, a prominent Indian mathematician, developed the concept of the versine function and formulated trigonometric identities involving it.

The symbol 'Ardha-jya' was used to represent the haversine function in Indian mathematics.

Bhaskara II, a renowned Indian mathematician, developed the concept of the exsecant function and formulated trigonometric identities involving it.