Vedic maths is a system of mathematical calculations that was developed in ancient India. It is based on 16 simple mathematical formulae known as sutras, which can be used to solve complex mathematical problems quickly and easily.

One of the key principles of Vedic maths is the use of mental calculation, which allows for quick and easy solutions to complex problems without the need for a calculator or other mathematical aids. This is done by using the sutras, which are a set of rules for working with numbers and equations to solve problems.

For example, one of the most widely used sutras is the "Ekadhikena Purvena" sutra, which states that "if one is added to the product of two numbers, the result is the same as if the larger of the two numbers is added to the square of the smaller number." This sutra can be used to solve equations such as (a+b)^2 = a^2 + 2ab + b^2, which is a fundamental equation in algebra.

Another key principle of Vedic maths is the use of base 10, which allows for the quick and easy manipulation of large numbers. This is achieved through the use of a numbering system known as the "place value system," which assigns a value to each digit in a number based on its position in the number. For example, the number 1234 would have the value of 1 in the thousands place, 2 in the hundreds place, 3 in the tens place, and 4 in the units place.

The use of base 10 and the place value system allows for the quick and easy calculation of large numbers, as well as the manipulation of equations involving multiple digits. This makes Vedic maths particularly useful for solving problems involving large numbers, such as those found in engineering, finance, and other fields.

Overall, Vedic maths is a unique and powerful system of mathematical calculation that has its roots in ancient India. It is based on simple principles and formulas that can be used to quickly and easily solve complex mathematical problems, making it a valuable tool for anyone who needs to work with numbers on a regular basis.