This site, created by Maria Andersen of Muskegon Community College, has a great deal of information for math instructors. Its purpose is to create and support the community of teachers by provide a space for them to share ideas and resources, prepare courses, understand how students learn, and overall become better educators. Visitors will find professional development sources such as conference information, publications, and workshops and courses. There are also a number of online demos for classroom use in arithmetic, geometry, algebra, trigonometry, calculus, statistics, and chemistry.