You can include the following operators in numeric expressions:

Operator Meaning
+ Addition
– Subtraction
* Multiplication
/ Division
** Exponentiation
^ Exponentiation

The following table shows examples of numeric expressions. For these examples, assume salary is 20000.

Example Resulting value
salary + 10000 30000
salary * 1.1 22000
2 ** 3 8

You can precede numeric expressions with a unary plus (+) or minus (–). For example, –(salary * 1.1) is -22000.