System.out.println(Math.PI);
System.out.println(Math.E);
System.out.println(Math.round(3.5));
System.out.println(Math.sqrt(6));
System.out.println(Math.pow(3,6));
System.out.println(Math.ceil(3.6));
System.out.println(Math.floor(3.6));
System.out.println(Math.max(3,6));
System.out.println("************************");
System.out.println((int)(Math.random()*10));