Abstract: A system for counting a key-in operation has a keyboard, input key judging unit for judging an input key keyed-in by the keyboard to be an effective key, an ineffective key or a command key, input key counting unit for counting the number of inputs of each input key, count result storing unit for storing the number of inputs of each input key, count result detecting unit for detecting the number of inputs of each input key, character display control unit for generating a prescribed character according to a count result of each input key which is employed in displaying the count result, display for displaying the prescribed character generated by character display control unit, and mouse for controlling a movement of a pointer on a screen and for inputting a click signal.

Abstract: A system for counting a key-in operation has a keyboard, input key judging unit for judging an input key keyed-in by the keyboard to be an effective key, an ineffective key or a command key, input key counting unit for counting the number of inputs of each input key, count result storing unit for storing the number of inputs of each input key, count result detecting unit for detecting the number of inputs of each input key, character display control unit for generating a prescribed character according to a count result of each input key which is employed in displaying the count result, display for displaying the prescribed character generated by character display control unit, and mouse for controlling a movement of a pointer on a screen and for inputting a click signal.