# Using operators in formulas

An operator is a symbol or instruction that manipulates expressions in a formula. For example, the plus (+) operator tells FileMaker Pro Advanced to add one expression to another. There are four types of operators:

•Mathematical operators

•Comparison operators

•Logical operators

•Text operators

Note For information on using variables in formulas, see Using variables.

## Order of evaluation

Operators are evaluated in the order they are listed below.

1. /* */, //

2. " ", \, ¶, ${ }

3. (, )

4. NOT

5. ^

6. *, /

7. +, -

8. &

9. =, ≠, >, <, ≥, ≤

10. AND

11. OR, XOR