INCREASE AND DECREASE TYPE QUANTITY INPUT SYSTEM AND METHOD

摘要

PURPOSE: A fluctuation mode quantity input system and method thereof are provided to enable a user to easily input the desired quantity of stocks by enabling the user to reduce or increase the quantity through a quantity unit button. CONSTITUTION: An interface unit(210) inputs and outputs data through a screen. A control unit(230) displays a quantity input blank on the screen. When the quantity input blank is selected, the control unit displays a quantity input unit on the screen in order to input quantity. The control unit displays quantity unit buttons. The control unit displays the quantity input blank by selecting a number button.