PlanetMath.org is a collaboratively written online mathematics encyclopedia and community, helping make math knowledge accessible to everyone.
PlanetMath.org is a collaborative online encyclopedia focused on mathematics. It offers a wide range of math entries, all created and reviewed by its community members. Whether you're searching for definitions, explanations, or deeper insights, you'll find a wealth of math knowledge organized by subject and alphabetically.
You can read and learn from the encyclopedia, or get involved by contributing your own entries and participating in the community. PlanetMath is designed for anyone interested in math, from students to educators to enthusiasts, making mathematical knowledge easier to access and share.
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