A portable display device that, in a first configuration, may function as a first type of device, such as a cellular phone and, in a second configuration, as a second type of device, such as a personal computer a split, full size keyboard spanning a display panel. Each keyboard panel may be substantially equal in size to the display panel, and may constitute the left and right hand halves of a standard keyboard. The keyboard panels may be hingably connected to the opposite short sides of the rectangular display panel. The device may further include a numeric keypad, hingably connected to a short edge of either keyboard panel.