GAMMAINV (PQL  xl)
This function returns the inverse of the gamma cumulative distribution
 Library: PQL \ Spreadsheet \ Compatibility
 Compatibility: Any content (regardless of data source) in the Tabulate spreadsheet module
Syntax
GAMMAINV(probability, alpha, beta)
Function Arguments
Name  Description  Type  Optional 
probability  Probability  Number 

alpha  Alpha parameter of the distribution  Number 

beta  Beta parameter of the distribution  Number 

Comments
This function is the same as the Microsoft Excel 'GAMMAINV' function  using the same inputs, logic and outputs.