Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gordon Scott has been an active investor and technical analyst or 20+ years. He ...

To find an investment's interest rate, substitute price, face value, and duration into a formula. For T-bills, subtract purchase price from face value, divide by face value, adjust for term. Online ...

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 ...