The present invention is {HEAD ~ an invention} relating to a personal digital assistant which stores therein registration information including e mail addresses, {TAIL ~ telephone numbers} and the like and which allows the registration information to be called up and used as appropriate and, more particularly, to a cellular telephone 
The present invention is { HEAD ~ an invention } relating to a personal digital assistant which stores therein registration information including e mail addresses , { TAIL ~ telephone numbers } and the like and which allows the registration information to be called up and used as appropriate and , more particularly , to a cellular telephone
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