A step-by-step guide to using the DualShock 3 in Windows via Bluetooth or plain old USB.

Form 5498 documents individual retirement account (IRA) contributions, rollovers and distributions. You don’t need to fill it out or send it to the IRS — just keep it for your records.

Learn about the components of the capital asset pricing model (CAPM), and discover how to calculate a company's cost of equity financing with this formula.

The diffusion of innovations theory describes a technique some companies use to develop a marketing strategy for new products and market share. These five steps apply.