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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. 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.

  3. Definition of plus sign | PCMag

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

  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. Fun with Numbers: Where do the + Plus and - Minus Signs come …

    Sep 27, 2022 · For addition we normally use the plus sign ("+") and for subtraction we use the minus sign ("+") and subtraction ("–"). But have you ever thought that from where do these …

  6. Want better grades in math? Master these essential symbols first

    Jun 19, 2025 · Everyone begins their mathematical journey with the four basic operations. The plus sign (+) for addition and minus sign (−) for subtraction are probably the first symbols you …

  7. Origin Story: ‘+’ and ‘-’ the basic signs of arithmetic - Medium

    Oct 12, 2015 · The plus and minus signs (+ and −) are mathematical symbols used to represent operations of addition and subtraction as well as the notions of the positive and negative.

  8. 11 things you never knew about mathematical symbols

    Jul 30, 2021 · The humble plus sign is among the oldest agreed-upon mathematical symbols but only came into general use around 1360. The equals sign was invented in 1557 by a Scottish …

  9. SAS Operators in Expressions - Simon Fraser University

    The plus (+) sign can be either a prefix or arithmetic operator. A plus sign is a prefix operator only when it appears at the beginning of an expression or when it is immediately preceded by a left …

  10. Addition - Wikipedia

    Addition, usually denoted with the plus sign +, is one of the four basic operations of arithmetic, the other three being subtraction, multiplication, and division.