HANDHELD TERMINAL DEVICE, SLIDE-INFORMATION MANAGEMENT SYSTEM, AND METHOD FOR CONTROLLING HANDHELD TERMINAL

摘要

[Object] To provide a mobile terminal device or the like in which a user can easily perform edits or the like, the amount of data materials is not increased as a whole, and no unnecessary interval is generated during the explanation, thereby preventing the effect of the explanation by a user to a person of interest such as a customer from decreasing.;[Means for Solving] A mobile terminal device 20, comprising a display 21, wherein slide information to be displayed includes a plurality of pieces of the slide information independently stored as the slide information for each screen, the pieces of the slide information are configured to be able to be combined arbitrarily; the slide information includes main explanatory slide information for use in a main explanation, and relevant slide information as being the information in relation to the main explanatory slide information; and the slide information is configured to be able to be stored in association with the main explanatory slide information, and the display is configured to be able to display the main explanatory slide information associated with the relevant slide information by a transfer for one screen from the relevant slide information.