BetaRegularized

BetaRegularized[z, a, b] gives the regularized incomplete beta function Iz(a,b).

Examples

Compute regularized beta:

BetaRegularized[0.5, 2, 3]
(* 0.6875 *)

Symbolic value:

BetaRegularized[1/2, 1, 1]
(* 1/2 *)

Please visit the official Wolfram Language Reference for more details.