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 ...

The market price of a stock doesn't necessarily reflect its intrinsic value. Several economic theories use different approaches toward valuing companies, but one of the simplest involves calculations ...

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 ...