The plus sign (+) and the minus sign (−) are mathematical symbols used to denote positive and negative functions, respectively Glossary of mathematical symbols 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. In addition, the symbol + represents the operation of addition, which results in a sum, while the symbol − represents subtraction, resulting in a difference
Discover addition and the equals symbol with this interactive article for year 2 from bbc bitesize. 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. We show you how to use the sum formula in excel, how to use the autosum feature and how simple additions with the plus sign work.
The addition of two whole numbers results in the total or sum of those values combined.