# Incomplete beta function Calculator

## Calculates the Incomplete beta function Bx(a,b) and regularized beta function Ix(a,b).

 a a＞0 b b＞0 x 0≦x≦1
 6dgt10dgt14dgt18dgt22dgt26dgt30dgt34dgt38dgt42dgt46dgt50dgt
 $\normal Incomplete\ beta\ function\ B_x(a,b)\\\hspace{70}and\ regularized\ I_x(a,b)\\[10](1)\ B_x(a,b)={\large\int_{\tiny 0}^ {\hspace{25}\small x}}t^{a-1}(1-t)^{b-1}dt\\\hspace{90} Re(a),Re(b)\gt 0,\hspace{10} 0\le x\le1\\[10](2)\ I_x(a,b)={\large\frac{B_x(a,b)}{B(a,b)}}\\[10](2)\ I_x(a,b)+I_{1-x}(b,a)=1\\$

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