Calculators are so ubiquitous and so familiar that they are easy to take for granted in many different ways. [lcamtuf] points out one that has probably never occurred to many of us: the user interface ...

Anyone who has ordered ice cream from McDonald’s knows it can be hit or miss. Despite offering class cones, milkshakes and the famous McFlurry, the machines are notoriously “down” or “not working” ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Anthony Battle is a CERTIFIED FINANCIAL PLANNER™ professional. He earned the Chartered ...