# power

The `power` function can be used in custom filters and table calculations to raise a number to the power of a given exponent.

## Syntax

`power(base, exponent)`

The `power` function evaluates a `base` by raising it to the power of a given `exponent`.

## Examples

The `power` function can be used to raise a number to the power of another number. For example, 23 would be written as:

``````power(2, 3)
``````

Typically, the `power` function is used with a field reference or an expression. For example:

``````power(\${order_item.standard_deviation_profit}, 2)
``````

## Things to know

The `power` function can also be used to take the nth root of a number by using 1/n as the `exponent`. For example, the cube root (the 3rd root) of 7 would be:

``````power(7, 1/3)
``````

For a square root (the 2nd root) just use the `sqrt` function.

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