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Arithmetic Operators

Arithmetic operators are used to combine numeric expressions arithmetically to form other numeric expressions.

The arithmetic operators (in order of precedence) are as follows:

Arithmetic Operator | Description |

+ and – | Positive, negative (unary) |

** | Exponentiation (binary) |

* and / | Multiplication, division (binary) |

+ and – | Addition, subtraction (binary) |

Unary operators group from right to left, while binary operators group from left to right. Use the unary negative (-) to reverse the algebraic sign of a value.

To force a desired order of evaluation, use parentheses. For example:

(job.lowsal + 1000) * 12

is an expression in which the parentheses force the addition operator (+) to take precedence over the multiplication operator (*).