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  1. SUM Definition & Meaning - Merriam-Webster

    Dec 5, 2016 · 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 function - Microsoft Support

    How to use the SUM function in Excel to add individual values, cell references, ranges, or a mix of all three.

  4. 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 …

  5. SUM | English meaning - Cambridge Dictionary

    SUM definition: 1. an amount of money: 2. the whole number or amount when two or more numbers or amounts have been…. Learn more.

  6. Summation - Wikipedia

    In mathematics, summation is the addition of a sequence of numbers, called addends or summands; the result is their sum or total. Beside numbers, other types of values can be summed as well: functions, …

  7. Sum Definition (Illustrated Mathematics Dictionary)

    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...

  8. 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.

  9. Sum - Math.net

    When trying to find the sum of multiple numbers, or larger numbers, it is helpful to remember the properties of addition. In particular, the commutative and associative properties of addition allow us …

  10. Sum | Definition, Examples & Practice - BrightChamps

    Dec 11, 2025 · Explore the concept of sum with detailed explanations, examples, and problem-solving techniques. Ideal for students and teachers.