| 摘要 |
A portable telephone has a key operation unit in which a plurality of small keys is arranged close to each other. A user sometimes depresses a plurality of keys at the same time. The portable telephone stores data regarding frequency of key determination made by the user in the past when the plurality of keys was depressed at the same time, with regard to a combination of these keys. When the plurality of keys is depressed at the same time, a key which has been most frequently determined is selected, and a number or the like corresponding to the key is displayed. Further, once the key is determined, data regarding the frequency of determination of the key is updated.
|
