# Beta distribution (chart) Calculator

## Calculates a table of the probability density function, or lower or upper cumulative distribution function of the beta distribution, and draws the chart.

 select function probability density f lower cumulative distribution P upper cumulative distribution Q shape parameter a a＞0 shape parameter b b＞0 [ initial percentile x 0≦x≦1 increment repetition ]
 $\normal Beta\ distribution\\[10](1)\ probability\ density\\\hspace{30}f(x,a,b)={\large\frac{1}{B(a,b)}}x^{a-1}(1-x)^{b-1}\\(2)\ lower\ cumulative\ distribution\\\hspace{30}P(x,a,b)={\large\int_{\small 0}^{\hspace{25}\small x}}f(t,a,b)dt\\(3)\ upper\ cumulative\ distribution\\\hspace{30}Q(x,a,b)={\large\int_{\small x}^{\hspace{25}\small 1}}f(t,a,b)dt\\$

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