What is sum definition?

Sum is a mathematical term that refers to the result obtained by the addition of two or more numbers or quantities. It is an arithmetic operation that gives an aggregate value of multiple numbers or quantities. The symbol used for sum is ∑, which indicates the summation of values from a starting point to an endpoint. The sum is a fundamental concept in mathematics and is widely used in many fields, including engineering, physics, economics, and computer science. The sum can be used to solve problems in geometry, algebra, calculus, statistics, and many other mathematical disciplines. It is important to note that there are different types of sums, including finite sums, infinite sums, series sums, and recursive sums, among others.