Groovy sqrt()

class Example { 
   static void main(String[] args) { 
      double x = 11.635; 
      double y = 2.76; 
	  
      System.out.printf("The value of e is %.4f%n", Math.E); 
      System.out.printf("sqrt(%.3f) is %.3f%n", x, Math.sqrt(x)); 
   } 
}