> For the complete documentation index, see [llms.txt](https://aup.nomi.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aup.nomi.dev/built-in/math/apis.md).

# APIs

## .abs

`math.abs(x: num) -> num`

Returns the absolute value of the number.

{% hint style="info" %}
This function is equivalent to expression `(x < 0) ? (-x) : x`.
{% endhint %}

## .acos

`math.acos(x: num) -> num`

Returns the arccosine of a number.

## .acosh

`math.acos(x: num) -> num`

Returns the hyperbolic arccosine of a number.

## .asin

`math.asin(x: num) -> num`

Returns the arcsine of a number.

## .asinh

`math.asinh(x: num) -> num`

Returns the hyperbolic arcsine of a number.

## .atan

`math.atan(x: num) -> num`

Returns the arctangent of a number.

## .atan2

`math.atan2(x: num, y: num) -> num`

Returns the arctangent of the quotient of its arguments.

## .atanh

`math.atanh(x: num) -> num`

Returns the hyperbolic arctangent of a number.

## .ceil

`math.ceil(x: num) -> num`

Returns the smallest integer greater than or equal to a number.

## .cos

`math.cos(x: num) -> num`

Returns the cosine of a number.

## .cosh

`math.cosh(x: num) -> num`

Returns the hyperbolic cosine of a number.

## .exp

`math.exp(x: num) -> num`

Returns E^x, where x is the argument, and E is Euler's constant (2.718…), the base of the natural logarithm.

## .floor

`math.floor(x: num) -> num`

Returns the largest integer less than or equal to a number.

## .imul

`math.floor(x: num) -> num`

Returns the result of a 32-bit integer multiplication.

## .log

`math.log(x: num) -> num`

Returns the natural logarithm (base e logarithm, also ln) of a number.

## .log2

`math.log2(x: num) -> num`

Returns the base 2 logarithm of a number.

## .log10

`math.log10(x: num) -> num`

Returns the base 10 logarithm of a number.

## .pow

`math.pow(x: num, y: num) -> num`

Returns base to the exponent power.

## .rand

`math.rand() -> num`

Returns a pseudo-random number between 0 and 1.

`math.rand(n: num) -> num`

Returns a random integer between 0 and `n`.

`math.rand(min: num, max: num) -> num`

Returns a random integer between `min` and `max`.

## .round

`math.round(x: num) -> num`

Returns the value of a number rounded to the nearest integer.

## .sin

`math.sin(x: num) -> num`

Returns the sine of a number.

## .sinh

`math.sinh(x: num) -> num`

Returns the hyperbolic sine of a number.

## .sqrt

`math.sqrt(x: num)`

Returns the positive square root of a number.

## .tan

`math.tan(x: num) -> num`

Returns the tangent of a number.

## .tanh

`math.tanh(x: num) -> num`

Returns the hyperbolic tangent of a number.
