The concept that a sum of money has a different value today than it will at a future date due to its potential earning capacity.
Time Value of Money
The current value of a sum of money that will be received or paid in the future, discounted at a specific interest rate.
Present Value
The value of a sum of money at a specified time in the future, assuming it earns a specific interest rate over time.
Future Value
The interest rate used to calculate the present value of future cash flows.
Discount Rate
The process of earning interest on both the initial principal and the accumulated interest from previous periods.
Compounding
The process of determining the present value of a future amount by applying a discount rate.
Discounting
A series of equal payments made at regular intervals over a specified period.
Annuity
An annuity where payments are made at the end of each period.
Ordinary Annuity
An annuity where payments are made at the beginning of each period.
Annuity Due
A type of annuity that provides indefinite payments, with no end date.
Perpetuity
The difference between the present value of cash inflows and outflows over a specific period.
Net Present Value
The discount rate that makes the net present value of all cash flows from a particular project equal to zero.
Internal Rate of Return
A formula used to estimate the number of years required to double an investment at a given annual rate of return by dividing 72 by the interest rate.
Rule of 72
The annual rate of interest taking into account the effect of compounding over a given period.
Effective Annual Rate
The process of spreading out a loan into a series of fixed payments over time, where a portion of each payment is applied to both interest and principal.
Amortization