1. A method for displaying an operation panel comprising multiple levels of menus on a screen of an electronic device, comprising:displaying, by a processor of the electronic device, a first menu of an operational panel on the screen, wherein the first menu comprises a central section of a circle, and the circle is divided into fan-shaped sections to represent items under the first menu;
receiving, by the processor, a user selection of a first item of the first menu;
in response to the user selection of the first item, enlarging, by the processor, the fan-shaped section of the first item to accommodate a display of subordinate items of the first item while reducing the fan-shaped sections of remaining items of the first menu;
displaying by the processor, the subordinate items of the first item along an outer circumferential portion of the fan-shaped section of the first item while maintaining the display of the fan-shaped sections of the first item and the remaining items of the first menu;
in response to a user selection of one of the subordinate items of the first item, hiding, by the processor, the first menu that includes the first item;
displaying, by the processor, a second menu on the screen to represent a menu of the selected subordinate item, wherein the second menu comprises a central section representing the selected subordinate item and a plurality of item sections or identifying subordinate items of the second menu; and
positioning, by the processor, the plurality of item sections substantially radially outward from the central section of the second menu.