# Standard normal distribution (percentile) Calculator

## Calculates the percentile from the lower, upper or inner cumulative distribution function of the standard normal distribution.

 cumulative mode lower P upper Q inner I cumulative distribution 0≦P,Q≦1 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit
 $\normal Standard\ Normal\ distribution\ N(x)\\[10](1)\qquad probability\ density\\\hspace{30}f(x)={\large\frac{1}{\sqrt{2\pi}}e^{-\frac{x^2}{2}}}\\(2)\qquad lower\ cumulative\ distribution\\\hspace{30}P(x)={\large\int_{\small-\infty}^{\hspace{25}\small x}}f(t)dt\\(3)\qquad upper\ cumulative\ distribution\\\hspace{30}Q(x)={\large\int_{\small x}^{\hspace{25}\small\infty}}f(t)dt\\(4)\qquad inner\ cumulative\ distribution\\\hspace{30}I(x)={\large\int_{\small -x}^{\hspace{25}\small x}}f(t)dt\\$
Standard normal distribution (percentile)
 [1-4] /4 Disp-Num5103050100200
[1]  2017/01/13 12:16   Female / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
FOR ASSIGNMENTS
[2]  2013/05/31 00:42   Male / 60 years old level or over / A teacher / A researcher / Very /
Purpose of use
To complement tables.
[3]  2013/03/27 04:50   Male / 40 years old level / An office worker / A public employee / Very /
Purpose of use
Accuracy of calculator
Comment/Request
Excellent !
[4]  2009/02/19 23:48   Male / More than 60 / A researcher / Very /
Purpose of use
check numbers in a book and my program
Comment/Request
very nice page

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