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 ...

Learn how to calculate the present value of various bond types using Excel, including zero-coupon, annuities, and continuous ...

Don’t get obsessed with accounting for every penny. Ballpark values will do, especially when it comes to tangible, illiquid items like collections. See below for definitions of terms in this ...