Codes And Secret Messages Home Page
Word games and mathematical puzzles often center around codes and secret messages.
But secret messages aren't just for fun and games, they're used all over the world, and in
all kinds of circumstances. Governments and military organizations use them to
keep secrets, websites use them to keep financial information like credit card
numbers and bank account information secret. And everyone enjoys sharing secret
messages with friends.
There are all kinds of codes you can use to communicate with friends. Some are
very complex and difficult to decode, and others are very simple. Some use
numbers and mathematics, and others use the alphabet, or pictures and symbols.
Not all codes are designed to keep secrets, though. Can you think of a code which was designed to
send messages by telegraph, using sequences of short and long tones called dots
and dashes?
Another system of writing looks like a code, but in reality
is designed to help people who cannot see. The dots that make up
letters are raised from the page so the blind person can feel them with the
fingertips. Do you know what that system of writing is called?
Here at The Problem Site's "Codes, Decoding, and Secret Messages" site, you can
learn more about a lot of different codes, and even try them out! Just click on
any of the mysterious symbols at the top of the page to learn more about a
code.
Some of the codes are complicated, and difficult to understand. Explanations of
these codes are broken up into "Basic Exlanations", "Intermediate
Explanations", and "Advanced Explanations". You should start at the top of each
page and keep reading until you get in over your head. In each case, even if
you don't understand the entire explanation, you can probably try out the
encoder/decoder!
Is there a code you would like to have explained on this page? Use the Contact Form to send me a message, and I'll consider posting a page about
the code you request!
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