The mobile terminal device, forgotten confirmation system, things left behind confirmation method and left behind confirmation program

摘要

PROBLEM TO BE SOLVED: To provide a checklist for a user efficiently.;SOLUTION: A display 103 of a portable terminal 100 displays a checklist 103a which includes check items such as articles to carry when going out or something to do before going out as well as a checklist 103b revised after check items have been added or deleted in response to external information from an external server such as a weather data server 250.;COPYRIGHT: (C)2014,JPO&INPIT