Easy to use calculator will enable you to scientifically compare various investments to choose the best one.

CAGR calculator will give you the annualised rate of return for your investment, when you know the initial and final amounts, and the period it was locked up for.

Future Value or Compound Interest calculator will give you the final value of your principal amount, when you know the period of investment and the rate of interest applicable (along with whether you want to compound annually, half-yearly, monthly etc.).

Present Value will give you the present value of a future amount, compounded over a period of time, at a certain rate of interest/inflation.