Present Value Pro (tv.dyndns.piet5211.presentvaluepro) on Google Play
The app Present Value Pro calculates, given four input variables the remaining variable of:Payment, number of periods, interest rate (IRR), present value, future value.Just like on a HP 12C.It can use payments at start or at end of periods.Also it is able to use annual interest%Difference with the free version:- It offers a nicer User interface with help- Has no ads