Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.

Taking on too much credit card debt is all too easy, especially for students with lots of expenses and little income. Here's advice on paying it off.

Credit cards have changed a lot — and so have the interest rates we pay. Here's how. Last week, Wisconsin Gov. Scott Walker revealed that he was paying off a credit card that was charging him 27 ...