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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 …

  3. Sum Calculator

    Aug 1, 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 …

  4. 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.

  5. Summation - Wikipedia

    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 …

  6. 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.

  7. 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.

  8. SUM | meaning - Cambridge Learner's Dictionary

    sum noun [C] (TOTAL) the total amount that you get when you add two or more numbers together:

  9. 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.

  10. SUM formulas in Excel - Step by Step Tutorial

    Use the SUM function in Excel to sum a range of cells, an entire column or non-contiguous cells. To create awesome SUM formulas, combine the SUM function with other Excel functions.