!! used as default html header if there is none in the selected theme.
--- Introduction ---
This module actually contains 7 exercises on codes of variable length
and their decipherability.
This page is not in its usual appearance because WIMS is unable to recognize your
Please take note that WIMS pages are interactively generated; they are not ordinary
HTML files. They must be used interactively ONLINE. It is useless
for you to gather them through a robot program.
Description: collection of exercises on codes of variable length. This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games