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  • 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 a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction
  • 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
  • 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 mathematicians
  • 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
  • Ampersand - Wikipedia
    [16] The plus sign + (itself based on an et-ligature [17]) is often informally used in place of an ampersand, sometimes with an added loop and resembling ɬ [citation needed] Other times it is a single stroke with a diagonal line connecting the bottom to the left side
  • Want better grades in math? Master these essential symbols first
    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 ever learned
  • List of mathematical symbols - Simple English Wikipedia, the free . . .
    This page provides a comprehensive list of mathematical symbols with their meanings and usage in mathematics
  • List of typographical symbols and punctuation marks - Wikipedia
    List of typographical symbols and punctuation marksTypographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases This list gives those most commonly encountered with Latin script For a far more comprehensive list of symbols and signs, see List of Unicode


















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