Simple interest refers only to interest earned on the principal balance. N the number compounding periods per year n 1 for annually n 12 for monthly etc t the time in years or fraction of years multiples of 1n. Interest can be compounded on.
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.
A Accrued Amount principal interest P Principal Amount. Thats the big idea of compound interest. The compound annual growth rate CAGR shows the rate of return of an investment over a certain period of time expressed in annual percentage terms. R is also known as rate of return.