* = SQRT(RDX) |
square root. |

* = LOG(RDX) |
natural logarithm, i.e. log to base e (where e = 2.718281828...). |

* = EXP(RDX) |
returns the exponential, i.e. e to the power of the argument. This is the inverse of the natural logarithm. |

* = LOG10(RD) |
logarithm to base 10. |

Note that LOG10, which may be useful to compute decibel ratios etc., is the only one of this group which cannot be used on a complex argument.