Squares of numbers from 1 to 30

For making your calculation faster you must remember the squares of  numbers from 1 to 30. Here is a collection of squares which could be easily remembered.

Sq. 1 = 1               Sq. 2 = 4

Sq. 3 = 9               Sq. 4 = 16

Sq. 5 = 25            Sq. 6 = 36

Sq. 7 = 49            Sq. 8 = 64

Sq. 9 = 81             Sq. 10 = 100

Sq. 11 = 121         Sq. 12 = 144

Sq. 13 = 169        Sq. 14 = 196

Sq. 15 = 225       Sq. 16 = 256

Sq. 17 = 289       Sq. 18 = 324

Sq. 19 = 361        Sq. 20 = 400

Sq. 21 = 441        Sq. 22 = 484

Sq. 23 = 529       Sq. 24 =576 

Sq. 25 = 625       Sq. 26 = 676

Sq. 27 = 729      Sq. 28 = 784  

Sq. 29 = 841       Sq. 30 = 900.