LOAN PAYMENT CALCULATOR Go shopping with credit system or pay by installments sometimes profit, but sometimes weigh against. Before entering it, do calculation. How long a period of/to taken instalment, how much paid advanced money, and how much its interest. All the things this can be run in one so called numerator application of Free Loan Calculator. This Application offer calculation per year ( 360 and 365 day), per week, and or the other method.