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 ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Investopedia / Michela Buttignol The future value of an annuity calculates how much a series ...

The fix for the disposable formula habit in Excel is already on your screen. At the very bottom of your Excel window is 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 ...

Value investing is about stock picking: how to find and buy stocks that trade significantly below intrinsic value. By following a process to identify truly undervalued assets, a value investor wants ...

The rapidly changing debate on how to account for student achievement in teacher evaluations is putting teacher-district relationships to the test across the country. More than half the states now ...

Math as both profession and course of study can be a hard sell, something even Don Draper might have trouble pitching. The field unites numbers, theories, and ideas that, yes, can be physically ...