In this video the instructor talks about compound and continuous interest formula calculations. You need to understand the concepts of simple and compound interest. Only then you can understand what the bank is doing to your money which are in your bank account. Simple interest is a method where when returning a borrowed sum to some one you pay additional price for using the money all this time. Compound interest is a similar concept where you pay interest on the original sum borrowed, and also periodically when the extra interest is added to the original sum, you start paying interest on the previously generated interest too. Now this can be compounded monthly, quarterly or early. This video shows a problem and explains how to calculate the compound and continuous interest using that problem.