pi.java

it is a progrma that aim to caculate an average value, pi value and the pris number in java envirome

public class Pi
{
    public static void main(String args[])
    {
        double pi = 0;   
        for (int i = 1; i <= 1000; i++)
        {
            pi += Math.pow(-1, i+1) * 4 / (i * 2 -1);
            System.out.println(" " + i + "             " + pi);   
        }
        System.exit(0);   
    }   
}