| Function | Description | Return Type | Parameters |
|---|---|---|---|
| Logarithmic | Returns base 10 logarithm of given value. | Real | Numeric |
| Natural Logarithm | Returns a natural logarithm. | Real | Numeric |
| Null If Zero | Returns “null” if the argument is zero, otherwise, returns the argument. | Real | Numeric |
| Random | Returns random integer | Long | Lower limit, upper limit |
| Zero If Null | Returns “zero” if the argument is null, otherwise, returns the argument. | Real | Numeric |