Internal math links:

• Jenny, generate succinct cross-functional tests
• Symmetric Multistep Methods for the N-Body Problem (or, how to make a fast solar system simulator)
• Voting
• Error Correction
• Computing the HOMFLY polynomial invariant for directed knots and links
• An interface for exploring n-dimensional space on a 2-dimensional screen
• Finding characteristics in block ciphers (doesn't really work)
• Orders of Magnitude
• A recipe for finding pentagons that tile the plane