# Gamma distribution (percentile) Calculator

## Calculates the percentile from the lower or upper cumulative distribution function of the gamma distribution.

 cumulative mode lower P upper Q cumulative distribution 0≦P,Q≦1 shape parameter a a＞0 scale parameter b b＞0 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit
 $\normal Gamma\ distribution\\[10](1)\ probability\ density\\\hspace{30}f(x,a,b)={\large\frac{1}{\Gamma(a)b}(\frac{x}{b})^{a-1}e^{-\frac{x}{b}}}\\(2)\ lower\ cumulative\ distribution\\\hspace{30}P(x,a,b)={\large\int_{\small 0}^{\hspace{25}\small x}}f(t,a,b)dt\\(3)\ upper\ cumulative\ distribution\\\hspace{30}Q(x,a,b)={\large\int_{\small x}^{\hspace{25}\small\infty}}f(t,a,b)dt\\$
Gamma distribution (percentile)
 [1-1] /1 Disp-Num5103050100200
[1]  2014/05/11 04:41   Male / 60 years old level or over / A teacher / A researcher / Very /
Purpose of use
compare result using qgamma in R

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