It is the product of the principal times the interest rate times time. What does n stand for in the future value formula. The other type of interest is simple interest which capitalizes only the amount invested and doesnt reinvest the interest income.
One way to calculate the future value would be to just find the interest and then add it to the principal.
FV C_0 times 1 r times n Future Value Example. FV A 1i n -1i. FV 9000 1935. This is known as the future value and can be calculated in a couple of different ways.