To enhance learning effect by enabling a user to retrieve information stored in an electronic dictionary with more interest.
A CPU 20 performs a dictionary game by performing a dictionary management control program 22a (a dictionary game program 22b). In the dictionary game, explanatory information including an entry word received from another electronic appliance is provided as a question by hiding the entry word. When a character string representing the entry word is input in order to answer the question, the correspondence of the character string to the explanatory information received from another communication electronic dictionary 10: whether the input character string coincides with the character string (entry word) included in the explanatory information is discriminated and the result of the discrimination (correct or incorrect) is output.
Satoshi Kono
Makoto Nakamura
Sadao Muramatsu
Ryo Hashimoto
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