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Convergence articles

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Given a semicircle, Prove that if O is the circle's center, DO=OE.
A section of a much larger website, dealing with some random topics in the history of mathematics.

The author uses her poem, 'The Enigmatic Number e,' to show how poetry about the history of mathematics can be used to enrich and enliven mathematics instruction.

The radius of a circle is 3.20 meters. Compute to within .001m the areas of the inscribed and circumscribed equilateral triangles.
A cultural history of the infinite, from ancient to modern times, in which the author clarifies the conceptual underpinnings of this vast topic.
Three men have a pile of money, their shares being 1/2, 1/3 and 1/6. Each man takes some money from the pile until nothing is left.
This website contains a complete version of Euclid's Elements, with all the proofs.
A book delving into the working of the mathematical mind.
A translation from the original Greek of a manuscript on magic squares by the Byzantine scholar Manuel Moschopoulos, written about 1315
The annual meeting of the NCTM always contains sessions dealing with the history of mathematics and its use in teaching.