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  • List of mathematical symbols - Simple English Wikipedia, the free . . .
    Symbol Name Read as Meaning Example(s) = Equal is equal to If x=y, x and y represent the same value or thing 5(2)=10 Plus-minus plus or minus x±y means both x+y and x-y 1±2 represents both 3 and -1
  • Where and When Did the Symbols + and ndash; Originate?
    The first appearance of + and – in English was in the 1551 book on algebra The Whetstone of Witte by the Oxford mathematician Robert Recorde, who also introduced the equal sign as the rather longer than today's symbol "═ " In describing the plus and minus signs Recorde wrote: "There be other 2 signes in often use of which the first is made
  • The Surprisingly Short History Of The Plus Sign - Fast Company
    The plus sign, originally a shorthand for the Latin word for “and,” et, came about in the late 15th century And intuitive though it seems now, it wasn’t easily adopted: It took another
  • Origin Story: ‘+’ and ‘-’ the basic signs of arithmetic - Medium
    A Jewish tradition which dates back to the 19th century writes the plus symbol using something which resembles an inverted T and is being used even now in Jewish elementary schools The
  • Addition - Wikipedia
    The plus sign Addition is written using the plus sign "+" between the terms, and the result is expressed with an equals sign For example, + = reads "one plus two equals three" [2] Nonetheless, some situations where addition is "understood", even though no symbol appears: a whole number followed immediately by a fraction indicates the sum of the two, called a mixed number, with an example, [3
  • Sign (mathematics) - Simple English Wikipedia, the free encyclopedia
    In mathematics, the word sign refers to the property of being positive or negative Every real number that is non-zero is either positive or negative, and therefore has a sign Zero itself is without a sign, or signless In addition to putting signs into real numbers, the word sign is used throughout mathematics to indicate parts of mathematical objects that mean positivity and negativity
  • Glossary of mathematical symbols - Wikipedia
    A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula or a mathematical expression More formally, a mathematical symbol is any grapheme used in mathematical formulas and expressions
  • List of typographical symbols and punctuation marks - Wikipedia
    Typographical 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 characters For other languages and symbol sets (especially in
  • Table of mathematical symbols by introduction date - Wikipedia
    unstrict inequality signs (less-than or equals to sign and greater-than or equals to sign) 1670 (with the horizontal bar over the inequality sign, rather than below it) John Wallis: 1734 (with double horizontal bar below the inequality sign) Pierre Bouguer





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