Annual Percentage Rate (APR) is the annual rate charged for borrowing or earned through an investment, expressed as a percentage. It includes any fees or additional costs associated with the transaction.
Simple Interest: Interest calculated on the principal portion of a loan or deposit.
Compound Interest: Interest calculated on both the initial principal and the accumulated interest from previous periods.
Nominal Interest Rate: The stated interest rate of a loan or bond, not accounting for compounding or fees.