Patent ID: 6754683
Filing Date: 2004-06-22
Classification: G06F

Abstract:
A method of implementing an electronic calculator function in a portable terminal having a display, comprising the steps of:setting an electronic calculator mode; displaying separately on the display: a first input window which receives and displays therein numeric information subject to arithmetic operation, a second input window which receives and displays therein operation/control commands, and an output window which displays therein an information input state and a result of the operation; displaying the numeric information in the output window when the corresponding information is inputted through the first input window; performing an operation on the numeric information displayed in the output window when the operation/control commands are inputted through the second input window; reducing a size of the first and second input windows to allow the output window to increase in size when needed to display additional resultant numeric information; and displaying resultant numeric information, resulting from the operation, in the output window.