BETADIST (PQL  xl)
This function calculates the cumulative beta distribution function
 Library: PQL \ Spreadsheet \ Compatibility
 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
BETADIST(x, alpha, beta, OPTIONAL a, OPTIONAL b)
Function Arguments
Name  Description  Type  Optional 
x  Value at which to evaluate the function, between the values of lower and upper  Number 

alpha  Alpha parameter of the distribution  Number 

beta  Beta parameter of the distribution  Number 

a  Lower bound of the interval for x; 0 if omitted  Number  Y 
b  Upper bound of the interval for x; 1 if omitted  Number  Y 
Comments
This function is the same as the Microsoft Excel 'BETADIST' function  using the same inputs, logic and outputs.