My Credit Card Calculator - Version 1.0 This application allows users to calculate a variety of figures to help them pay off credit cards efficiently and hopefully save money at the same time. Once you've entered your outstanding balance etc. this application will look at paying off your bill earlier, in larger amounts or by switching to alternative current cards to see how much money you can save paying your credit card off early. Application automatically updates online with a variety of current credit card rates so it is always up to date and offers accurate comparisons between your existing card and possible alternatives.