Tell Siri what you'd like to do. Speak into your iPhone 4S with a command like, Remind me to buy milk, bread, and eggs today at 4 p.m. or you can say something like, Remember to thank John for the present.. Glance at your iPhone 4S screen to review your reminder. Or listen to Siri's confirmation.
Effective Interest Method. The effective interest method is a technique for calculating the actual interest rate in a period based on the amount of a financial instrument's book value at the beginning of the accounting period.
DEFINITION of 'Interest Rate'. The amount charged, expressed as a percentage of principal, by a lender to a borrower for the use of assets. Interest rates are typically noted on an annual basis, known as the annual percentage rate (APR).