Incomplete gamma function Calculator

Calculates the Incomplete gamma functions of the first and second kind γ(a,x) and Γ(a,x).

a
x
 x≧0

γ(a,x)
Γ(a,x)

 $\normal Incomplete\ gamma\ functions\\[10](1)\ the\ 1st\ kind\\\hspace{60}\gamma(a,x)= {\large\int_{\tiny 0}^ {\hspace{25}\small x}}t^{a-1}e^{-t}dt\\[10](2)\ the\ 2nd\ kind\\\hspace{60}\Gamma(a,x)={\large\int_{\small x}^ {\hspace{25}\tiny \infty}}t^{a-1}e^{-t}dt\\[10](3)\ \gamma(a,x)+\Gamma(a,x)=\Gamma(a)\\$

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