So 4 would be 004 divided by n the number of times your. A the future value of the investmentloan including interest P the principal investment amount the initial deposit or loan amount r the annual interest rate decimal n the number of times that interest is compounded per unit t t the time the money is invested or borrowed for. But calculating compound interest is complicated and its usually not as easy as.
Therefore compound interest CI P 1.
Going Backwards to Work Out the Present. Viewed 20k times 1 begingroup. Answer 1 st case Given. To calculate compound interest we need to know the amount and principal.