Alan Schoenfeld: At the Boundaries of Effective Mathematics Thinking, Teaching, and Learning

An Interview with Alan Schoenfeld: At the Boundaries of Effective
Mathematics Thinking, Teaching, and Learning Alan Schoenfeld is the
Elizabeth and E...
2 days ago
no proof, but here's some prime numbers in a spiral. http://www.flickr.com/photos/modern_carpentry/3896432339/in/set72157622057420172/
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