import java.applet.Applet;
import java.awt.Graphics;
import java.io.PrintStream;

public class EulerApplet extends Applet
{

    public EulerApplet()
    {
    }

    public void paint(Graphics g)
    {
        drawEuler(g);
    }

    static double f(double d, double d1)
    {
        return 2D + (d1 - d - 1.0D) * (d1 - d - 1.0D);
    }

    void drawEuler(Graphics g)
    {
        int i = 500;
        double d = 1.0D;
        double d1 = 2D;
        double d2 = 2D;
        double d7 = 0.0D;
        double d3 = (d1 - d) / (double)i;
        double d4 = d;
        double d5 = d4;
        long l = System.currentTimeMillis();
        int j;
        for(j = 1; j <= i; j++)
        {
            d2 += d3 * f(d4, d2);
            d4 = d5 + (double)j * d3;
            double d6 = Math.abs((1.0D + d4 + Math.tan(d4 - 1.0D)) - d2);
            d7 += d6;
            System.out.println(d6);
            g.drawLine(j + 30, (int)(500D - 100D * d2), j + 30, (int)(500D - 100D * d2));
            g.drawLine(j + 30, 470, j + 30, (int)(470D - 10000D * d6));
        }

        l = System.currentTimeMillis() - l;
        System.out.println("Total error: " + d7);
        System.out.println("Iterations: " + (j - 1));
        System.out.println("Time: " + l);
    }
}