Aryabhata is considered the father of Indian mathematics due to his significant contributions to the field, including the development of the decimal system and the concept of zero.

Bhaskara II is credited with developing the concept of the derivative, which is a fundamental concept in calculus.

Brahmagupta is credited with developing the concept of the integral, which is another fundamental concept in calculus.

Srinivasa Ramanujan is credited with developing the concept of the infinite series, which has applications in various fields of mathematics and engineering.

Bhaskara II's work on calculus was used in the development of the calculus of variations, which is a branch of mathematics that deals with finding the extrema of functionals.

Srinivasa Ramanujan's work on calculus was used in the development of the theory of elasticity, which is a branch of physics that deals with the behavior of materials under stress.

Brahmagupta's work on calculus was used in the development of the theory of fluid mechanics, which is a branch of physics that deals with the behavior of fluids.

Srinivasa Ramanujan's work on calculus was used in the development of the theory of heat transfer, which is a branch of physics that deals with the transfer of heat between objects.

Brahmagupta's work on calculus was used in the development of the theory of electricity and magnetism, which is a branch of physics that deals with the behavior of electric and magnetic fields.

Srinivasa Ramanujan's work on calculus was used in the development of the theory of relativity, which is a branch of physics that deals with the relationship between space, time, and gravity.

Srinivasa Ramanujan's work on calculus was used in the development of the theory of quantum mechanics, which is a branch of physics that deals with the behavior of matter and energy at the atomic and subatomic level.

Srinivasa Ramanujan's work on calculus was used in the development of the theory of information theory, which is a branch of mathematics that deals with the transmission and storage of information.

Srinivasa Ramanujan's work on calculus was used in the development of the theory of computer science, which is a branch of science that deals with the design and implementation of computer systems.

Srinivasa Ramanujan's work on calculus was used in the development of the theory of artificial intelligence, which is a branch of computer science that deals with the creation of intelligent machines.

Srinivasa Ramanujan's work on calculus was used in the development of the theory of robotics, which is a branch of engineering that deals with the design, construction, operation, and application of robots.