# Weibull distribution Calculator

## Calculates the probability density function and lower and upper cumulative distribution functions of the Weibull distribution.

 percentile x x≧0 shape parameter a a＞0 scale parameter b b＞0 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit
 $\normal Weibull\ distribution\\[10](1)\ probability\ density\\\hspace{30}f(x,a,b)={\large\frac{a}{b}(\frac{x}{b})^{a-1}e^{-(\frac{x}{b})^a}}\\(2)\ lower\ cumulative\ distribution\\\hspace{30}P(x,a,b)={\large\int_{\small 0}^{\hspace{25pt}\small x}}f(t,a,b)dt={\large 1-e^{-(\frac{x}{b})^a}}\\(3)\ upper\ cumulative\ distribution\\\hspace{30}Q(x,a,b)={\large \int_{\small x}^{\hspace{25}\small\infty}}f(t,a,b)dt={\large e^{-(\frac{x}{b})^a}}\\$

Weibull distribution
 [1-3] /3 Disp-Num5103050100200
[1]  2017/08/28 21:59   Male / 60 years old level or over / An engineer / A little /
Purpose of use
Reference for complementary and proffesional information
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Very goog congratulations and thanks a lot
[2]  2017/02/13 08:55   Female / 40 years old level / High-school/ University/ Grad student / Useful /
Purpose of use
college course
[3]  2009/11/04 00:05   Male / 40 level / A university student / Very /
Purpose of use
Math Club
Comment/Request
Great website!

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