A computer systems which combines the capabilities of both notepad and notebook computers. The main housing includes an liquid crystal display display with a digitizer input to be used as the display in all modes and the input device when used with a stylus in notepad mode. Also located in the main housing are a floppy disk drive, a hard disk drive, an optional modem unit, batteries, and the electronics of the computer. The main housing contains a recessed portion for receiving a detachable keyboard. The keyboard includes a pivoting, mating extension which is received in the recess so that the keyboard is retained in the recess during storage conditions and in some cases of use, where the housing acts as a partial keyboard support to allow angling of the keyboard. The keyboard contains pivoting legs so that the keyboard can be used remotely from the main housing and yet be angled.; The main housing contains a pivoting portion which can operate as a stand when the computer is being operated with the keyboard, so that the display is properly angled for viewing by the user. The pivoting portion can also be pivoted to a position generally parallel with the main housing, but having a portion extending past the housing to act as a handle.