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compound interest formula purplemath. To calculate continuously compounded interest use the formula below. You recently received a windfall of 7000 and being the smart responsible person that you are you invested it in an account paying an annual percentage rate of 8.
T is the time span. In the formula A represents the final amount in the account that starts with an initial P using interest rate r for t years. There will be about 4648 bacteria.
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Compound interest is the interest paid on both principal and interest compounded in regular intervals. P is the beginning amount or principal r is the interest rate expressed as a decimal n is the number of times the loan is compounded in one year. In the present case A Future Value of the investment is to be calculated. Where A is amount.