CH18_NewMathTester.java

public class NewMathTester
{
    public static void main(String[] args)
    {
        System.out.println("2^3 = " + NewMath.pow(2,3));
        System.out.println("1.44^0.5 = " + NewMath.pow(1.44,0.5));
        System.out.println("1.5^2 = " + NewMath.pow(1.5,2));

        System.out.println("5! = " + NewMath.fact(5));

        //5C3=5!/(3!*(5-3)!)=(5*4*3*2*1)/(3*2*1*2*1)=10
        System.out.println("5C3 = " + NewMath.pascal(5,3));

        //1 4 6 4 1
        System.out.println("pascalRow(4) = " + NewMath.pascalRow(4));

        //1
        //1 1
        //1 2 1
        //1 3 3 1
        //1 4 6 4 1
        //...
        System.out.println("pascalTri(7) = \n" + NewMath.pascalTri(7));

        //1 1 2 3 5 8 13 21 34 55 ...
        for(int j=0; j<41; j++)
        {
            System.out.print("j = " + j + "\t");
            System.out.println("fib(j) = " + NewMath.fib(j));
        }

        //estimate phi = (1+sqrt(5))/2
        for(int j=0; j<41; j++)
        {
            double phi = (double)NewMath.fib(j+1)/NewMath.fib(j);
            System.out.print("j = " + j + "\t");
            System.out.println("fib(j+1)/fib(j) = " + phi);
        }
    }
}