this presentation helps to understand the algorithm to find square of a number. The ppt helps one see the geometrical reasoning behind the square root algorithm.

1. Understanding division algorithm to find
Square root

2. Steps in the division algorithm when there are two terms
(a+b)^2

3. Step 1
After subtracting a^2

4. Step 2
After subtracting (2a+b)*b
= 2a*b + b^2

5. Steps in the division algorithm when there are three terms (a+b+c)^2

6. Step 1
Subtracting a^2

7. Step 2
Subtracting (2a+b)*b
= 2a*b + b^2

8. Step 3
Subtracting (2a+2b+c)*c
= 2a*c +2 b*c + c^2