Too many financial decisions are made without factoring in the time value of money. Whether providing financial planning advice related to a client’s retirement, advising a client about a business ...

Net present value (NPV) represents the difference between the present value of cash inflows and outflows over a set time period. Knowing how to calculate net present value can be useful when choosing ...

The T-Value is a common statistical calculation with a very wide range of applications. In the business world, it can help in making educated financial predictions and projections. For example, a ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...

The basic premise of finance is that money has time value -- a dollar in hand today is worth more than a dollar in the future. The study of finance seeks to make it possible to compare the value of a ...

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 ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Robert Kelly is managing director of XTS Energy LLC ...

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 ...

Calculate the present value of each year's cash flow by dividing by (1 + discount rate)^number of years. Sum all present values to find the total value of projected cash flows, which in this example ...