Abstract: 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.

Abstract: A stackable tray includes a generally planar tray bottom and a pair of opposed side walls extending upwardly therefrom. A pair of rails extend downwardly from the bottom and lie generally below the side walls. Ridges are provided at the bottom of the rails and slots and support edges are provided adjacent the side walls to permit the trays to be stacked in a variety of configurations. The H-design of the trays of the present invention improves stacking and stability characteristics.