Java Code for Normal Distribution

This java programming code is used to find the normal distribution. You can select the whole java code by clicking the select option and can use it. When you click text, the code will be changed to text format. This java program code will be opened in a new pop up window once you click pop-up from the right corner. You can just copy, paste this java code and use it to find the normal distribution.

import java.util.*;
import java.lang.*;
class Normal_Distribution
{ 
 public static void main(String[] args)
 {
    double x,y,w,Z_MAX=6,mean,sd,z;
    mean=100;x=106;sd=6;
    if(mean<x)
    y=x-mean;
    else
    y=mean-x;
    z=y/sd;
    if (z == 0.0)
    x = 0.0;
    else
    {
    y = 0.5 *z;
    if (y > (Z_MAX * 0.5))
    {  
    x = 1.0;
    }
    else if (y < 1.0)
    {
    w = y * y;
    x = ((((((((0.000124818987 * w - 0.001075204047) * w
             + 0.005198775019) * w - 0.019198292004) * w
             + 0.059054035642) * w - 0.151968751364) * w
             + 0.319152932694) * w- 0.531923007300)  * w
             + 0.797884560593) * y * 2.0;
    }
    else
    {
    y -= 2.0;
       x = (((((((((((((-0.000045255659 * y
         + 0.000152529290) * y - 0.000019538132) * y
         - 0.000676904986) * y + 0.001390604284) * y
         - 0.000794620820) * y - 0.002034254874) * y
         + 0.006549791214) * y - 0.010557625006) * y
         + 0.011630447319) * y - 0.009279453341) * y
         + 0.005353579108) * y - 0.002141268741) * y
         + 0.000535310849) * y + 0.999936657524;
    }
    if (z>0.0)
    z=(x+1.0)*0.5;
    else
    z=(1.0-x)*0.5;
    }    
    String s = String.format("%.4f", z);
    z = Double.parseDouble(s); 
    System.out.println("Normal Distribution:"+z);
  }
}
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