A system and method for managing a spreadsheet are disclosed. In one instance, a RFID antenna is used to power a reduced-pressure pump that is fluidly coupled by a conduit to a reduced-pressure dressing. In one embodiment, the number of shards generated is based on the number of groups received. The deleted data is stored in a recovery log. If the portable information processing apparatus 10 starts dropping, the hard disk drive 14 enters the withdrawal mode.