The meaning of SUM is an indefinite or specified amount of money. How to use sum in a sentence.

Summation of a sequence of only one summand results in the summand itself. Summation of an empty sequence (a sequence with no elements), by convention, results in 0. Very often, the …

The result of adding numbers or quantities. The sum of 6 and 9, for example, is 15, and the sum of 4 x and 5 x is 9 x.

sum noun (CALCULATION) [ C ] a calculation, especially a simple one, using such processes as adding, taking away, multiplying, or dividing:

The sum can be defined as the result of the addition of two or more numbers. Learn the definition, how to find the sum on the number line, solved examples, and more.

In math, the summation symbol (∑) is used to denote the summation operation, which is a way of expressing the addition of a sequence of terms.

Jul 23, 2025 · In mathematics, the summation is the basic addition of a sequence of numbers, called addends or summands; the result is their sum or total. The summation of an explicit …

Oct 21, 2025 · The sum is the total, or summation, of two or more numbers or addends added together. For example, 8 + 3 = 11.

Illustrated definition of Sum: The result of adding two or more numbers. Example: 9 is the sum of 2, 4 and 3 (because 2 + 4 + 3 = 9). Drag...

Oct 16, 2025 · In mathematics, addition is one of the four basic mathematical operations. The sum is the result of adding two or more numbers. In this article, we will discuss what a sum is, …