# Useful Links

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#### Career Links

#### Research Links

- MathWorld is a great place for definitions and relations between various mathematical definitions.
- Wikipedia. Of course, you have to be careful using this one!
- KWU Library
- The math stack exchange is a forum for people to ask and answer math questions, ranging from the very easy to the very complicated.

- The Online Encyclopedia of Integer Sequences is a site that keeps track of sequences of integers. When you run across a sequence of integers and wonder what it means or if it's been studied before, this is the place to look.

#### Mathematics Programs:

- Sage is a powerful mathematical package that is free, open-source, and runs online.

- Wolfram|Alpha looks like a browser, but it's actually a powerful knowledge engine, capable of doing math up through calculus and much more, if you ask it nicely.

- GeoGebra is a geometry program.

#### Various Math Gizmos:

#### Games: