Remainders

Here are three items that crawled into my head some time during the last
few months and didn’t find their way out yet. This post is brain surgery.
Lesson E...
1 day ago
I will post a challenging math problem each day. The level of difficulty will vary, but most problems should not require any specialized knowledge beyond calculus. Problems are also posted on Twitter using the hashtag #mathpotd.
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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