# Function sqrt Calculate the square root of a value. For matrices, the function is evaluated element wise. ## Syntax ```js math.sqrt(x) ``` ### Parameters Parameter | Type | Description --------- | ---- | ----------- `x` | number | BigNumber | Complex | Array | Matrix | Unit | Value for which to calculate the square root. ### Returns Type | Description ---- | ----------- number | BigNumber | Complex | Array | Matrix | Unit | Returns the square root of `x` ## Examples ```js math.sqrt(25) // returns 5 math.square(5) // returns 25 math.sqrt(-4) // returns Complex 2i ``` ## See also [square](square.md), [multiply](multiply.md), [cube](cube.md), [cbrt](cbrt.md), [sqrtm](sqrtm.md)