A method of three-dimensionally rotating a plurality of menus displayed in
an ordered stack on a display unit of a portable telephone. The method
displays the plurality of menus three-dimensionally on the display unit
according to the ordered stack. The menu displayed in front is a current
menu and the remainder of the menus are displayed in order behind the
current menu. A menu rotation direction is selected and the plurality of
menus are rotated in the menu rotation direction in accordance with the
ordered stack. In this manner, the next menu in the ordered stack is
rotated in the menu rotation direction to the front and becomes the
current menu.