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  1. Plus and minus signs - Wikipedia

    The plus sign (+) and the minus sign (−) are mathematical symbols used to denote positive and negative functions, respectively. In addition, the symbol + represents the operation of addition, …

  2. How to Add on Excel with the Sum Formula, AutoSum or the plus ...

    Feb 17, 2024 · We show you how to use the SUM formula in Excel, how to use the AutoSum feature and how simple additions with the plus sign work.

  3. What is addition? - KS1 Maths - Year 2 - BBC Bitesize

    Discover addition and the equals symbol with this interactive article for Year 2 from BBC Bitesize.

  4. The Surprisingly Short History Of The Plus Sign - Fast Company

    06-23-2014 DESIGN The Surprisingly Short History Of The Plus Sign Before the 16th century, most math equations were written as metered verse. Thank god for graphic-design-inclined …

  5. Definition of plus sign | PCMag

    What does plus sign actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

  6. Addition - Wikipedia

    Addition 3 + 2 = 5 with apples, a popular choice in textbooks [1] Addition, usually denoted with the plus sign +, is one of the four basic operations of arithmetic, the other three being subtraction, …

  7. Plus–minus sign - Wikipedia

    The plus–minus sign or plus-or-minus sign (±) and the complementary minus-or-plus sign (∓) are symbols with broadly similar multiple meanings. In mathematics, the ± sign generally indicates …