# Function square Compute the square of a value, `x * x`. For matrices, the function is evaluated element wise. ## Syntax ```js math.square(x) ``` ### Parameters Parameter | Type | Description --------- | ---- | ----------- `x` | number | BigNumber | Fraction | Complex | Array | Matrix | Unit | Number for which to calculate the square ### Returns Type | Description ---- | ----------- number | BigNumber | Fraction | Complex | Array | Matrix | Unit | Squared value ## Examples ```js math.square(2) // returns number 4 math.square(3) // returns number 9 math.pow(3, 2) // returns number 9 math.multiply(3, 3) // returns number 9 math.square([1, 2, 3, 4]) // returns Array [1, 4, 9, 16] ``` ## See also [multiply](multiply.md), [cube](cube.md), [sqrt](sqrt.md), [pow](pow.md)