# Chi-square distribution Calculator

## Calculates the probability density function and lower and upper cumulative distribution functions of the chi-square distribution.

 percentile x x≧0 degree of freedom ν ν＞0 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit
 $\normal Chi-Squared\ distribution\ X^2(x,\nu)\\[10](1)\qquad probability\ density\\\hspace{30}f(x,\nu)={\large\frac{x^{\frac{\nu}{2}-1}e^{-\frac{\small x}{2}}}{2^{\frac{\nu}{2}}\Gamma(\frac{\nu}{2})}}\\(2)\qquad lower\ cumulative\ distribution\\\hspace{30}P(x,\nu)={\large\int_{\small 0}^{\hspace{25}\small x}}f(t,\nu)dt\\(3)\qquad upper\ cumulative\ distribution\\\hspace{30}Q(x,\nu)={\large\int_{\small x}^{\hspace{25}\small\infty}}f(t,\nu)dt\\$

Chi-square distribution
 [1-3] /3 Disp-Num5103050100200
[1]  2018/05/11 11:12   Male / 60 years old level or over / A teacher / A researcher / Very /
Purpose of use
Need to calculate p-value of very big values of Chi square.
[2]  2013/09/25 01:17   Male / 50 years old level / A teacher / A researcher / Very /
Purpose of use
Comment/Request
how can i process multiple values that are stored in a text file? :(
[3]  2011/07/21 03:36   Male / 50 years old level / A teacher / A researcher / Very /
Purpose of use
compare to alternative implementation

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