# Logistic distribution (chart) Calculator

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

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

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