http://www.algebra-online.com/
http://archives.math.utk.edu/calculus/by_state.html
http://integrals.wolfram.com/
http://math.vanderbilt.edu/~pscrooke/toolkit.shtml
http://www.calculus.net/
http://www.calculus.org/
http://www.math.uakron.edu/~dpstory/e-calculus.html
http://www.dartmouth.edu/~chance/
http://aleph0.clarku.edu/~djoyce/mathhist/chronology.html
http://geometryalgorithms.com/
http://www.geom.umn.edu/
http://www.ics.uci.edu/~eppstein/junkyard/
http://www.xahlee.org/PageTwo_dir/more.html
http://www-groups.dcs.st-and.ac.uk/~history/
http://www.rbjones.com/rbjpub/logic/
http://www.uni-bonn.de/logic/world.html
http://www-unix.mcs.anl.gov/otc/Guide/faq/linear-programming-faq.html
http://www-unix.mcs.anl.gov/otc/Guide/faq/