Across: the process of determining the value today, of some future amount or of a series of future flows invested at a specified rate of interest. Across: A series of equal flows over equal periods of time and for which the first flow occurs immediately. Across: The time frame required for an investment to earn a rate of return. Across: The value today of a future value based on a specified rate of return and a specified period of time. Down: Interest which is earned on the principal only Down: A series of equal flows over equal period of time and for which the first flow occurs at the end of each period. (Two Words) Down: The stated rate of return of the rate of return earned on an investment with no adjustment for inflation