Abstract: The invention aims to provide a multifunction personal computer/mobile phone capable of being used both as a mobile phone and as a mobile personal computer, to improve input operability when used as a mobile phone as well as a personal computer, and to retain a compact form when it is not used. A multifunction personal computer/mobile phone is so configured that a left keyboard, a display and a right keyboard are mounted on a hinge so that they are folded and unfolded freely, wherein on the left and right keyboards, key indications for digits, characters, symbols or the like for personal computer use are arranged, and on either of the keyboards, key indications for digits, characters, symbols or the like for mobile phone use are arranged so that the hinge is at the far end from a user, wherein the display is formed rotatably with respect to the keyboard, and the left and right keyboards are spread to a position where the surfaces of the keyboards are horizontal.

Abstract: The invention provides a portable and compact multifunction cellular phone that can include both a cellular phone function and a large number of other functions and is integrally provided with a function for enjoying games, music, images, data, and the like. The multifunction cellular phone is characterized in that a left side operation board, a display, and a right side operation board are layered and mounted on a hinge section so as to open and close freely, respectively, display sections of at least numerals, characters, symbols, and the like applicable to a cellular phone are arranged on the left or the right operation board and display sections of numerals, characters, symbols, operations buttons, and the like for operating other functions are arranged on the operation board on the other side, and the display is rotatable and/or movable in order to handle the cellular phone and the other functions or display screens are formed on front and rear surfaces of the display, respectively.