**Algebra is rather
a mysterious sounding word. What is algebra? **

**In its simplest form,
algebra is a part of mathematics in which symbols such as letters of the alphabet
stand for numbers. While this may sound very strange to mix letters and numbers
in mathematics, you, in fact, know a lot about algebra already. Algebra in
many ways is a special way of writing and representing ideas you already know.
This site will help you, through the use of mystery doors, to learn more about
algebra. In addition there are other graphics and little quizzes to help you
along the way.**

**Along the way we will
also review other important ideas related to algebra.**

** ****For those that use
screen readers, there are animated letters at the top of each content page
spelling out the title of the page. The link on the first letter goes to the
beginning of the page content. The link on the second letter goes to the menu
table at the bottom of the page.**

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