From Simple English Wikipedia, the free encyclopedia
In mathematics, an operator is a function (like addition) that acts on one or more numbers to create a new number.
The most known operators are those used for the first four arithmetic operations: addition, subtraction, multiplication, and division (
,
,
,
).
- Addition:

- Subtraction:

- Multiplication:

- Division:

- Division (fraction):

- Exponentiation:

- Root (radical):

- Logarithm:

- Modulation:

- Factorial:

- Summation:

- Product:

- Limit:

- Nearest integer:

- Floor:

- Ceiling:

- Integer part:
![{\displaystyle [\,\,]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/2fa4c06a6c3b5a7bee90e2c44f7530e3f2a46bf8)
- Fractional part:
