| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable quick key input to a settlement processor. <P>SOLUTION: A settlement processor in an embodiment includes: multiple input keys to each of which a specific function is allocated; storage means for storing stage information which indicates a processing state where an operation of each of the input keys becomes valid and a use frequency of each of the input keys; and display means for displaying a screen component which shows an input key corresponding to stage information indicating a current processing state among each stage information stored in the storage means by arranging them in an order of use frequency of each of the input keys stored in the storage means. <P>COPYRIGHT: (C)2013,JPO&INPIT |
