December 29, 2013
http://youtu.be/Nj72Vw5voBM Whats is Absolute value? Absolute value (or Modulus) represented by |x| of a real number x is the non-negative value of x without regard to […]
November 13, 2013
In this post we will see how to calculate remainders like the remainder of a sum, remainder of a product and understand what is meant by […]
September 30, 2013
Here, we will see how to find the last two digits of a large number. In the previous post we tried to understand calculating the units […]
September 10, 2013
Here, we will see how to find the units digit of a number that is in the form ${x^y}$. We will first try to understand what […]