public static void main(String[] args) {
		char again;
		do{ 	// The main loop, everything is called from here. 
			double[] u = new double[3], v = new double[3],w;
			print("Enter a vector in R" + "\u00b3"+": "); 
			for(int i = 0; i < 3; i++)
				u[i] = scan.nextDouble();
			print("Enter a second vector in R" + "\u00b3"+": ");
			for(int i = 0; i < 3; i++)
				v[i] = scan.nextDouble();
			w = crossProduct(u,v);
			print("The cross product is: ");
			print(w);
			print("\nContinue?(Y/N): ");
			again = scan.next().charAt(0);
		}while(again == 'y' || again == 'Y');
		return;
	}