# Logarithmic normal distribution (chart) Calculator

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

 select function probability density flower cumulative distribution Pupper cumulative distribution Q mean μ standard deviation σ σ＞0 [ initial percentile x x≧0 increment repetition ]
 $\normal Lognormal\ distribution\ LogN(x,\mu,\sigma)\\[10](1)\ probability\ density\\\hspace{30}f(x,\mu,\sigma)= {\large\frac{1}{\sqrt{2\pi}\sigma x}e^{-\frac{1}{2}\left(\frac{ln(x)-\mu}{\sigma}\right)^2}}\\(2)\qquad lower\ cumulative\ distribution\\\hspace{30}P(x,\mu,\sigma)={\large\int_{\small 0}^{\hspace{25}\small x}}f(t,\mu,\sigma)dt\\(3)\qquad upper\ cumulative\ distribution\\\hspace{30}Q(x,\mu,\sigma)={\large\int_{\small x}^{\hspace{25}\small\infty}}f(t,\mu,\sigma)dt\\$

Logarithmic normal distribution (chart)
 [1-3] /3 Disp-Num5103050100200
[1]  2018/09/19 12:24   Female / Under 20 years old / High-school/ University/ Grad student / Very /
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my report
[2]  2017/08/18 20:22   Male / 30 years old level / High-school/ University/ Grad student / Useful /
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enginering
[3]  2015/02/17 10:06   Male / 60 years old level or over / High-school/ University/ Grad student / Useful /
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