A small Python application that calculates the return on investment you'll get based on your estimations.
When running the Script in the command line it takes 4 arguments you need to give it:
-b your current starting balance.
-c your monthly contributions. How much do you expect to invest each month?
-i the yearly interest rate. How much return of investment do you expect every year?
-y the amount of years you expect to let your investment accumulate and invest every month.