To eliminate the need for a time recorder by providing a means for purchasing an article, etc., by using a memory medium, a means which manages reporting to and leaving from work by using a memory medium, and a means which totalizes its management data off-line.

This device is equipped with a means for purchasing articles, services, etc., by using the memory medium such as a prepaid card, a means for managing reporting to and leaving from work, and whereabouts registration by using a memory medium having managing codes for these purposes, and the means which can totalizes these management data off-line. Namely, in this device a card timer 4 is set to report to or leave from work mode when a report to work or leave from work button is depressed. A prepaid staff card 2 or unprepaid staff card 3 is inserted, staff ID data is read out of the staff card 2 or 3 and stored together with time information, and the stored data can be totalized off-line. Then the device is put back into charging function mode after the card is carried out and taken out.