Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Toby Walters is a financial writer, investor, and lifelong learner.

The past due balance method used by credit card companies allows borrowers a grace period to avoid interest. Discover its benefits and risks.

The average daily balance method is one of several methods used by credit card companies to calculate interest when a cardholder carries a balance. Cardholders too can use the formula as a way to ...