A keyboardless portable electronic apparatus is provided. Under a text input state, a display area of the apparatus includes a content display area, a function menu area, and a symbol selection area. The content display area is for displaying selection results of the navigational device. The function menu area is programmed with predetermined functions associating with text input. The symbol selection area is for displaying symbols thereon, the symbols are provided to be selected and generating a text to display on the content display area. The symbol selection area is further comprises a symbol selection menu and at least one symbol option lists. The symbol selection menu is visible all the time and the symbol option lists are visible only when a selection highlight of the apparatus is moved to the symbol selection menu.