Pythagoras' Theorem

Links

http://www.maths.tcd.ie/pub/HistMath/Links/
A useful list of links from Trinity College Dublin for researching the history of mathematics. You can search by topic, by mathematician or by period.

http://www-groups.dcs.st-andrews.ac.uk/~history/Mathematicians/Pythagoras.html
A biography of Pythagoras, with many facts and anecdotes.

http://www.geocities.com/CapeCanaveral/Launchpad/3740/
Includes diagrams, history, and links related to Pythagoras and his Theorem.

http://sunsite.ubc.ca/LivingMathematics/V001N01/UBCExamples/Pythagoras/pythagoras.html
Some clever Java programming.

http://www.geocities.com/ResearchTriangle/System/8956/problems/pyth.htm
A ‘refutation’ of the Theorem of Pythagoras, intended as a puzzle to find the mistake in the arguments, not as a serious proposal.

http://www.sunsite.ubc.ca/DigitalMathArchive/Euclid/perigal/perigal.html
A copy of Perigal’s original two papers on dissections in The Messenger of Mathematics 1 and 2 (1874).