Keypad

Type your password on the keypad.

In order to write a ½ sign, hold the "Alt" key and type 0189 on the numeric keypad.

While some people own mobile phones simply to make or receive calls, for others they are the ultimate fashion accessory. Targeting this group, Korea's LG Electronics has teamed up with Italian luxury goods designer Prada to produce designer mobile phones. The phones, featuring a touch interface that replaces the conventional keypad, will be launched in Europe next year, and will be available soon after in a number of Asian locations, including Hong Kong, Taiwan and Singapore.

Many laptop computers have special function keys which turn part of the alphabetical keyboard into a numeric keypad.

He pulled a picture frame to one side, revealing a safe behind. Chang pressed four buttons on the keypad… …and the safe door whirred open.