Calculating the interest rate using the present value formula can at first seem impossible. However, with a little math and some common sense, anyone can quickly calculate an investment's interest ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Dr. Melody Bell is a personal finance expert, entrepreneur, educator, and researcher. Melody ...

Image source: Flickr user Ken Funakoshi. A perpetual annuity, also called a perpetuity, promises to pay a certain amount of money to its owner forever. A classic example would be that of a perpetual ...

I'm struggling a bit with a question on how to calculate present value of a future stream of payments that are increasing and are broken into installment payments. Here's the scenario: There are 28 ...

In the world of finance, an annuity is a contract between you and a life insurance company in which you give the company a lump sum or series of payments, and in return, the insurer promises to ...

An annuity is an insurance contract you purchase to receive payments for a specific period, such as 30 years, or for the rest of your life. By applying a mathematical formula consisting of variables ...

Net present value and the profitability index are helpful tools that allow investors and companies make decisions about where to allocate their money for the best return. Net present value tells us ...

A perpetuity in finance is a stream of payments or cash flows that is presumed to extend indefinitely into the future. Learn the importance of perpetuities, with the help of examples of investments. A ...

Here's how to calculate the present value of a perpetual annuity that promises to pay flat or growing annual payments with helpful examples. A perpetual annuity, also called a perpetuity, promises to ...