Putting these variables into the compound interest formula would show. Compound interest is the product of the initial principal amount by one plus the annual interest rate raised to the number of compounded periods minus one. Compound Interest Formula P principal amount the initial amount you borrow or deposit r annual rate of interest as a decimal t number of years the amount is deposited or borrowed for.
Amount Principal 1Rate100n where P is equal to Principal Rate is equal to Rate of Interest n is equal to the time Period Compound Interest Formula Derivation.
In the simplest terms its interest on interest. Where the amount is given by. Compound interest is the interest generated on both the principal and the interest already accumulated. Compound Interest Amount Principal.