Title rated 0 out of 5 stars, based on 0 ratings(0 ratings)
Book, 2006
Current format, Book, 2006, , All copies in use.
Book, 2006
Current format, Book, 2006, , All copies in use. Offered in 0 more formats
This volume is a history of the development of codes and ciphers, and information and advice on how to make codes (whether by pencil and paper, or by computer) and how to break codes. The topics covered include: Native American smoke signals; Morse code, Braille, ASCII computer language; letter substitution; and many more.
From the community