About 39,200 results
Open links in new tab
  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. List of mathematical symbols - Simple English Wikipedia, the …

    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 …

  3. Where and When Did the Symbols "+" and "–" Originate?

    Mar 12, 2013 · 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 …

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

    Jun 23, 2014 · 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 …

  5. Definition of plus sign - PCMag

    The plus sign (+) means "ADD" in programming and on calculator keyboards. For example, 10 + 7 means 10 added to 7. It is also used as a concatenation symbol for text fields. For example, …

  6. The Wild and Contentious History of Mathematical Symbols

    Feb 7, 2025 · Eventually the plus and minus signs became universal, as did the English symbol for equality, but only after decades of famous mathematicians competing in these popularity …

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

    Oct 11, 2015 · 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 …

  8. 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] …

  9. Why Is A ‘Plus’ Used As A Medical Symbol And Not Any Other Sign

    Jun 18, 2017 · It is a symbol which abides international treaty and restricted by US law. In Muslim-majority countries, the red cross is replaced by red-crescent.

  10. Sign (mathematics) - Simple English Wikipedia, the free …

    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 …

Refresh