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# math

The `math` package provides a series of mathematical functions.

| Function Name                                           | Description                                                                                                      |
|---------------------------------------------------------|------------------------------------------------------------------------------------------------------------------|
| abs(n: `number`): `number`                              | Returns the absolute value of `n`                                                                                |
| acos(n: `number`): `number`                             | Returns the arccosine of `n`                                                                                     |
| asin(n: `number`): `number`                             | Returns the arcsine of `n`                                                                                       |
| atan(n: `number`): `number`                             | Returns the arctangent of `n`                                                                                    |
| ceiling(n: `number`): `number`                          | Returns the smallest integer greater than or equal to `n`                                                        |
| floor(n: `number`): `number`                            | Returns the largest integer less than or equal to `n`                                                            |
| round(n: `number`): `number`                            | Rounds `n` to the nearest integer                                                                                |
| cos(n: `number`): `number`                              | Returns the cosine of `n`                                                                                        |
| exp(n: `number`): `number`                              | Returns `e` raised to the power of `n`                                                                           |
| fracpart(n: `number`): `number`                         | Returns the fractional part of `n`                                                                               |
| intpart(n: `number`): `number`                          | Returns the integer part of `n`                                                                                  |
| ln(n: `number`): `number`                               | Returns the natural logarithm (base `e`) of `n`                                                                  |
| log(n: `number`): `number`                              | Returns the logarithm (base 10) of `n`                                                                           |
| sin(n: `number`): `number`                              | Returns the sine of `n` in radians                                                                               |
| sqrt(n: `number`): `number`                             | Returns the square root of `n`                                                                                   |
| tan(n: `number`): `number`                              | Returns the tangent of `n`                                                                                       |
| max(n1: `number?`, n2: `number?`, ...): `number`        | Returns the largest value among the input parameters                                                             |
| min(n1: `number?`, n2: `number?`, ...): `number`        | Returns the smallest value among the input parameters                                                            |
| mod(a: `number`, b: `number`): `number`                 | Returns the remainder of `a` divided by `b`                                                                      |
| pow(a: `number`, b: `number`): `number`                 | Returns `a` raised to the power of `b`                                                                           |
| reverse(n: `number`): `number`                          | Changes the sign of `n`                                                                                          |
| sgn(n: `number`): `number`, sign(n: `number`): `number` | Returns the sign of `n`. If `n > 0`, returns `1`; if `n = 0`, returns `0`; if `n < 0`, returns `-1`              |
| isnil(n: `any?`): `bool`                                | Returns `true` if `n` is `nil`; otherwise, returns `false`                                                       |