LOG (PQL  xl)
This function returns the logarithm base Y of a number X
 Library: PQL \ Spreadsheet \ Math & Trig
 Compatibility: Any content (regardless of data source) in the Tabulate spreadsheet module
 Solve: This function can be used with the Solve plugin: both as part of the objective function and constraint functions
Syntax
LOG(number, OPTIONAL base)
Function Arguments
Name  Description  Type  Optional 
number  Number for which to find a logarithm. This must be a positive real number  Number 

base  Base of the logarithm; if omitted, the calculation uses 10 as the base (See LOG10.)  Number  Y 
Comments
This function is the same as the Microsoft Excel 'LOG' function  using the same inputs, logic and outputs.