This podcast gives you the formulas for Relations and Functions for Class 12 Mathematics. You will learn what is a Relation, a few basic examples of Relations. You will be introduced to Equivalence Relations and Equivalence Classes. This is followed by a function, it's domain and range. You will be introduced to a few basic functions such as constant function, identity function, Modulus function, signum function, greatest integer function. You will learn the types of functions and 3 important formulas namely how to calculate the number of one one,onto and bijective functions. You will then proceed to learn what is a binary operation and learn about the basics of binary operations. To learn more, you can contact me.