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Open Educational Resources (OER)

Open Educational Resources (OER) are freely accessible, openly licensed documents and media that are useful for teaching, learning, and assessing as well as for research purposes.

MathWorld: is the web's most extensive mathematical resource, provided as a free service to the world's mathematics and internet communities as part of a commitment to education and educational outreach by Wolfram Research, makers of Mathematica.

MathWorld currently features a number of innovative interactive elements that enhance its usability for a variety of different readers. These features include: