Squaring of a number is done properly by the use of the base method in which many consider as an easy method for the section of math. This method is usually in use because of its time management in exams and it brings difference between the normal math practices and its shortcuts.
0.1
100
10
1000
1000
10
100
0.1
5
4
2
3
12
16
14
13
6
9
8
7
6
2
4
8
20
25
49
16
4
5
6
7
3
2
4
1
2
3
4
5