The Rule of Three, also known as the method of proportions, was commonly used in ancient India for calculating interest on loans and investments.

Aryabhata, a renowned Indian mathematician and astronomer, is credited with introducing the concept of zero and the decimal system.

The Sulba Sutras, a collection of mathematical texts, primarily deals with geometry, including the construction of altars and the calculation of geometric shapes.

The Fibonacci Sequence finds application in determining optimal inventory levels, ensuring efficient stock management and minimizing storage costs.

Brahmagupta, a prominent Indian mathematician, developed the 'chakravala' method, an iterative algorithm for solving indeterminate equations.

'Kuttakara' is an ancient Indian mathematical technique that shares similarities with modern Integer Programming, a branch of optimization dealing with integer variables.

Pascal's Triangle finds applications in calculating binomial coefficients, probability theory, and determining the number of combinations, making it a versatile tool in commerce.

Bhaskara II, a renowned Indian mathematician, is credited with establishing 'ganita' or 'mathematics' as a distinct discipline, separating it from astronomy and other fields.

The Lilavati, written by Bhaskara II, primarily focuses on algebra, covering topics such as arithmetic, quadratic equations, and indeterminate equations.

The concept of 'bhoga' encompasses a wide range of commercial applications, including calculating profit and loss, determining the value of goods, and managing inventory.

Brahmagupta introduced the concept of 'vyavahara' or 'practical mathematics,' emphasizing the application of mathematical principles in everyday life and commerce.

The concept of 'panchayati' encompasses a wide range of commercial applications, including calculating taxes and duties, determining the share of profits among partners, and resolving disputes related to property and inheritance.

Brahmagupta developed the concept of 'kuttaka' or 'pulverizer,' an iterative algorithm for solving indeterminate equations, which has applications in various fields, including commerce.

The concept of 'mudra' encompasses a wide range of commercial applications, including calculating interest on loans, determining the value of currency, and managing financial transactions.

Bhaskara II developed the concept of 'ganita-sara' or 'the essence of mathematics,' a comprehensive treatise covering various branches of mathematics, including algebra, geometry, and astronomy.