In This article, A refers back to the upcoming value of the investment; P refers back to the principal sum to get invested; r refers to the level of fascination; n refers to the number of situations the interest receives compounded every year; t refers back to the tenure (in https://www.google.com/maps/d/u/0/viewer?mid=1o3vHoDG_5EIkMXyD_8nuLLiHqxZbkJg