The number lock function on your laptop can help you quickly enter a series of numbers including those related to the bookkeeping of your business. The function turns your laptop's keypad into a ...

On some computers, the function keys -- the 12 "F" keys at the top of the keyboard -- have built-in secondary functions, like changing speaker volume or monitor brightness. Using the function keys for ...

The Fn key is short for function – this particular key allows PC users to access the second assignment of a key. It is normally found at the bottom left corner. The Function keys (F1, F2, etc) are ...

For almost every PC or Mac user, a keyboard and either a mouse or a trackpad are more than enough to navigate these systems without too many problems. In fact, it might be a bit too easy — people are ...

Close-up of the F9, F10, F11, and F12 function keys on a keyboard - Professor25/Getty Images For almost every PC or Mac user, a keyboard and either a mouse or a trackpad are more than enough to ...