public class Main {
public static void main(String[] argv) throws Exception {
for (double i = 1.0; i < 20.0; i++)
System.out.printf("%10.2f %10.2f %10.2f\n", i, Math.sqrt(i), i * i);
}
}
/* 1.00 1.00 1.00
2.00 1.41 4.00
3.00 1.73 9.00
4.00 2.00 16.00
5.00 2.24 25.00
6.00 2.45 36.00
7.00 2.65 49.00
8.00 2.83 64.00
9.00 3.00 81.00
10.00 3.16 100.00
11.00 3.32 121.00
12.00 3.46 144.00
13.00 3.61 169.00
14.00 3.74 196.00
15.00 3.87 225.00
16.00 4.00 256.00
17.00 4.12 289.00
18.00 4.24 324.00
19.00 4.36 361.00
*/