Command Reference : Function Reference : Function Reference: C
  
 
@cbeta
Beta distribution cumulative distribution.
Syntax: @cbeta(x, a, b[, u])
x: number
a: number,
b: number,
u: (optional) number
Return: number
Computes the cumulative distribution function
where
and is the beta function
If the optional argument u is non-zero, return the upper-tail value: .
Examples
= @cbeta(0.5, 1, 2)
returns 0.75.
Cross-references
See also @dbeta, @qbeta, and @rbeta.