An online character entry device which enables a stable specified operation to be implemented without necessity of entry of specific stroke or provision of button switch and with condition that increase of processing amount is not much. There is formed a point from which a pen point does not shift during more than prescribed the time interval within the stroke of the entry character (hereinafter referring to stopping point), and there is provided a first stopping point detecting section for detecting the stopping point within the entry character, and a relevance word retrieval section for retrieving the relevance word using detection result of existence of the stopping point and recognition result concerning entry character, thus executing specified operation (for example, outputting formal name of company from abbreviation entry) prescribed beforehand.