Enhance your listening experience with features such as 3-D surround sound, hyperbass, and headphone optimization. Get plug-in. Plug-ins or add-ons add functionality—such as audio effects or DVD capability—to Windows Media Player.

AVERAGE (number1, [number2], ...) The AVERAGE function syntax has the following arguments: Number1 Required. The first number, cell reference, or range for which you want the average. Number2, ... Optional. Additional numbers, cell references or ranges for which you want the average, up to a maximum of 255.