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  1. SUM Definition & Meaning - Merriam-Webster

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

  2. SUM Definition & Meaning | Dictionary.com

    SUM definition: the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition. See examples of sum used in a …

  3. Sum Calculator

    Nov 4, 2025 · Use this calculator to find the sum of a data set. Enter values separated by commas or spaces. Or copy and paste lines of data from spreadsheets or text documents. See all allowable …

  4. Summation - Wikipedia

    The phrase 'algebraic sum' refers to a sum of terms which may have positive or negative signs. Terms with positive signs are added, while terms with negative signs are subtracted.

  5. SUM definition and meaning | Collins English Dictionary

    In mathematics, the sum of two numbers is the number that is obtained when they are added together.

  6. Summation Symbol (∑)

    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.

  7. What is Sum? Definition, Formulas, Examples, Facts - SplashLearn

    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.

  8. Summation Formulas - GeeksforGeeks

    Feb 20, 2026 · Building on the concept of summation, a more compact and systematic way to represent a sum is through summation notation, also known as sigma (∑) notation. This notation allows us to …

  9. Sum — Definition, Formula & Examples - Mathwords

    Sum is the result you get when you add two or more numbers or expressions together. For example, the sum of 3 and 5 is 8.

  10. Sum Meaning - BYJU'S

    In this article, you will learn the definition of sum, and how to find the sum of numbers in different situations along with illustrations. In mathematics, the sum can be defined as the result or answer …