Plus
The addition of two quantities, i.e., a plus b. The operation is denoted a+b, and the symbol + is called the plus sign. Floating-point addition is sometimes denoted direct sum .
See also
Addition, Minus, Plus or Minus, TimesExplore with Wolfram|Alpha
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Cite this as:
Weisstein, Eric W. "Plus." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Plus.html