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The plus sign (+) and the minus sign (−) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition , which results in a sum , while − represents subtraction , resulting in a difference . [ 1 ]
The two most widely used arithmetic symbols are addition and subtraction, + and −. The plus sign was used starting around 1351 by Nicole Oresme [47] and publicized in his work Algorismus proportionum (1360). [48] It is thought to be an abbreviation for "et", meaning "and" in Latin, in much the same way the ampersand sign also
The plus sign + (itself based on an et-ligature [16]) 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. This was a version of shorthand for ampersand, and the stroke economy of this ...
Born around 1510, Robert Recorde was the second and last son of Thomas and Rose Recorde [3] of Tenby, Pembrokeshire, in Wales. [4]Recorde entered the University of Oxford about 1525, and was elected a Fellow of All Souls College there in 1531.
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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The plus sign. Addition is written using the plus sign "+" between the terms; [3] that is, in infix notation.The result is expressed with an equals sign.For example, + = ("one plus two equals three")
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