Khan Academy
Introduction to Interest, Interest and Debt, Finance and Capital Markets
Here is a simple tutorial on the difference between simple and compound interest. In it, Sal describes interest and defines the vocabulary of principle and interest rate. He also models the amount of money owed under the different...
Curated OER
Compound Interest and e (Part 2)
Sal continues to look at changing the length of compounding time, from daily to hourly compounding interest. Now he is able to show that compounding 100% annual interest converges on the number 2.71É or e as the number of compounding...
Curated OER
Compound Interest and e (Part 3)
Continuing with the lesson on compound interest, in this video, Sal derives the general formula for any amount of principle, interest rate, and compounding periods over one year.
Khan Academy
Interest (Part 2), Interest and Debt, Finance and Capital Markets
Another example of simple interest and compound interest (compounded yearly) is explored in this video.
Curated OER
How Do You Use the Formula for Compound Interest?
Money, money, money. Love it! You want to earn interest on what you put into your bank account. So you make an investment to earn compound interest and you want to know how much money you will have in 60 months. Well, there's a formula...
Curated OER
What is the Formula for Compound Interest?
View this tutorial for more than just a description of the formula for compound interest! An instructor goes through a problem, showing how to find simple interest and compound interest. After she completes each version, she explains the...
Curated OER
What is the Formula for Compound Interest?
View this tutorial for more than just a description of the formula for compound interest! An instructor goes through a problem, showing how to find simple interest and compound interest. After she completes each version, she explains the...