Brahmagupta, an Indian mathematician who lived in the 7th century, is credited with developing the concept of zero and introducing it into the Indian number system.

The Surya Siddhanta, an Indian astronomical text written in the 4th or 5th century, introduced the decimal system to the world.

Aryabhata, an Indian mathematician who lived in the 5th century, developed the Fibonacci sequence, a series of numbers in which each number is the sum of the two preceding ones.

Brahmagupta, an Indian mathematician who lived in the 7th century, developed the concept of negative numbers and introduced them into the Indian number system.

Aryabhata, an Indian mathematician who lived in the 5th century, developed the trigonometric functions, including sine, cosine, and tangent.

The Upanishads, a collection of ancient Indian philosophical texts, introduced the concept of infinity.

Bhaskara II, an Indian mathematician who lived in the 12th century, developed the concept of calculus, including the idea of derivatives and integrals.

Aryabhata, an Indian mathematician who lived in the 5th century, developed the concept of probability.

Aryabhata, an Indian mathematician who lived in the 5th century, developed the concept of the golden ratio.

Baudhayana, an Indian mathematician who lived in the 8th century BC, developed the concept of the Pythagorean theorem.

Pingala, an Indian mathematician who lived in the 2nd century BC, developed the concept of the Pascal's triangle.

Bhaskara II, an Indian mathematician who lived in the 12th century, developed the concept of the binomial theorem.

Brahmagupta, an Indian mathematician who lived in the 7th century, developed the concept of the quadratic equation.

Bhaskara II, an Indian mathematician who lived in the 12th century, developed the concept of the cubic equation.

Bhaskara II, an Indian mathematician who lived in the 12th century, developed the concept of the quartic equation.