Real Numbers

Number is one of the important concepts of math. In simple words number can be defined as the representation of quantity of any object. Number System was first used in the ancient times and since then, it has gone through several changes and still lot more are being made in this system. You can't learn this by Parrot reading, for this you need to understand the concept. Real number is one of the important type of numbers and it is something that can be expressed as an infinite decimal expansion. We use all these numbers very commonly in our day to day life but never realize that what type of number is it!