In a portable telephone according to the present invention, a display displays a block indicative of an operator, predetermined information and a pointer; the operator can be operated in directions opposite to each other; and the controller controls the display so as to shift the pointer to a desirable position within a predetermined information on a screen of the display in accordance with an operation of the operator and also display a mark indicative of a direction to which the pointer can be shifted and in which the predetermined information exists, adjacently to the block along a shift direction through the operator.