Using the compound Interest calculator from Bajaj Allianz Life is extremely easy. You first need to visit the relevant web page and click the ‘start now’ button. Then, you need to first enter the amount that you wish to invest. You can use the slider to feed in this amount, or you can type it out in the box given. Next, you need to select the tenure of investment. Lastly, you need to pick the expected annual rate of return. The compound Interest calculator then shows you the wealth you create in contrast with the wealth Raj, who invests for 2 additional years, creates.