# Operation

An operation is an action upon numbers that results in a single number. The arithmetic operations of addition, subtraction, multiplication, and division are operations on two numbers.

Examples

4 + 2 = 6 | 7 × -3 = -21 |

12 - 3 = 6 | ÷ = |

An operation can also be performed on a single number:

4^{2} = 16 |

See also addition, basic operations, division, exponents, multiplication, subtraction.