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Convergence articles

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A cultural history of the infinite, from ancient to modern times, in which the author clarifies the conceptual underpinnings of this vast topic.
Download the three winning essays to learn about Kepler's mathematical astronomy, the roots of modern algebra, and the Quadrivium of Isidore of Seville.
This website contains a complete version of Euclid's Elements, with all the proofs.
The first page of Pathway to Knowledge by Robert Recorde (1510-1558). A version of Euclid's Elements, with commentary by Recorde to make it easier to understand. This page includes Euclid's first three postulates.
A book delving into the working of the mathematical mind.
The annual meeting of the NCTM always contains sessions dealing with the history of mathematics and its use in teaching.
Posters illustrating mathematics concepts in such places as China, Japan, India, and the Americas.
A letter to Sam Greitzer, late editor of Arbelos, discussing the derivation of two formulas for calculating pi.
Poster picturing five famous women, from Hypatia to Grace Hopper.
What is the perpendicular height of a cloud when it's angles of elevation were 35 degrees and 64 degrees as taken by two observers?