Developer's DescriptionBy Credit WorldCalculate the cost of mortgages, credit cards, loans, and other debts.The Free CreditWorld.biz Debt Paydown Calculator shows you the cost of mortgages, credit cards, loans, and other debts. See monthly and total interest. Find which debts cost the most interest, and plan your way out of debt in the fastest way possible. Available as a PDF Form. Runs anywhere Adobe Acrobat 5.0 or higher will run. Use for yourself, or post as is on your website for others.