A stapler includes a lower casing base having its topside formed with an accommodating space in the interior for placing small-sized stationery therein. According to one embodiment, a user may control whether tabular data is stored in row-level or column-major format. A currently preferred dispensing device includes a fluid-dispersing nozzle in fluid communication with a syringe. Transient flow conditions result in the tank water which helps avoid dead spaces and assists in agitating the membranes.