abs() |
`abs(double expr x)` |
Returns the absolute value of a double expression |

ceil() |
`ceil(double expr x)` |
Returns the smallest of two numeric scalars |

floor() |
`floor(double expr x)` |
Returns the largest integer less than or equal to its argument |

max() |
`max(double expr x, double expr y)` |
Returns the larger of two `double` s |

mod() |
`mod(double dividend, double divisor)` |
Returns the modulus (remainder) resulting from the division of one double by another |

min() |
`min(double expr x, double expr _y_)` |
Returns the larger of two `double` s |

rnd() |
`rnd()` |
Returns a random number between 0 and 1 |

round() |
`round(double expr x)` |
Returns the closest integer to its floating point argument |

exp() |
`exp(double expr x)` |
Returns **e** raised to the power *x* |

sqrt() |
`sqrt(double expr x)` |
Returns the square root of *x* |

trunc() |
`trunc(double expr x)` |
Returns the whole number portion of *x* |