In addition to the 3564-character kind internal organs containing JIS level 1, a special character, sign creation and registration, and registration of an idiom and a short sentence are also possible, and these do not disappear with a power supply OFF, either. An input and edit are very speedy at an intelligible screen display. And memory and read-out are possible for a creation document to data memory card ridge UDC-01 at ultra high-speed. Of course, it OKs also to a cassette. There is also a Chinese character address book (option) as application software.