Abstract: When the up-down pagefeed key is pressed in a state where each entry word read from the dictionary is sorted in a specific character order (in alphabetic order or in order of the Japanese syllabary) according to the corresponding language and displayed as an entry word list in the entry word list mode, the entry word above or below the current entry word is set as the selected entry word by the up-down cursor key, and the cursor is displayed on the n-th letter in the selected entry word, the first entry word above or below the current entry word differing in the n-th letter on which the cursor is located is set as a newly selected entry word and the cursor is displayed on the new n-th letter. When the translation/decision key is pressed, explanatory information on the selected entry word is read from the dictionary and displayed.