PURPOSE: To vary the size of character data in a given storing position in the character data at the time of outputting character data, followed by output.

CONSTITUTION: When each character data inputted and stored in a text memory 4 in accordance with a plurality of strong positions is outputted, the character data in a predetermined storing positions among stored character data is made into characters sized in accordance with the character form information stored in a format memory 5 corresponding to the storing positions, and then outputted from a printing part 10.