This course is intended for the online learner who wants to understand the subject starting with basic real numbers Math background. Regardless of the reason you have to learn Relation and binary operation, this course provides easy and step-by-step explanations.

Relations and Functions” is one of the most important topics in algebra. Relations and functions – these are the two different words having different meanings mathematically. You might get confused about their difference. Before we go deeper, let’s understand the difference between both with a simple example.

An ordered pair, represents as (INPUT, OUTPUT):

Relation shows the relationship between INPUT and OUTPUT. Whereas

A function is a relation that derives one OUTPUT for each given INPUT.