Calculates the natural logarithm of a number.
Log ( expression )
Parameters
expression | Any positive number. |
Return Value
Success: | Returns the parameter's natural logarithm. |
Failure: | Tends to return -1.#IND for non-positive parameters. |
Remarks
@error is always 0
Related
Exp
Example
$x = Log(1000) ;returns 6.90775527898214
$y = Log10(1000) ;returns 3
; user-defined function for common log
Func Log10($x)
Return Log($x) / Log(10) ;10 is the base
EndFunc