# 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 f lower cumulative distribution P upper 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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