code: public static void main(String[] args) {
          double z     = Double.parseDouble(args[0]);
          double mu    = Double.parseDouble(args[1]);
          double sigma = Double.parseDouble(args[2]);
          System.out.println(Phi(z, mu, sigma));
          double y = Phi(z);
          System.out.println(PhiInverse(y));
      }
docs: test client