# Functions obtained by integration

Calculator name
| Summary |

Gamma function obtained by integrationGamma function obtained by integration |
Calculates "Gamma function Γ(a)" by the Double Exponential(DE) integration. |

Beta function obtained by integrationBeta function obtained by integration |
Calculates "Incomplete beta function Bx(a,b)" by the Gauss-Legendre quadrature. "Complete beta function B(a,b)" can be obtained by "x=1". |