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Convergence articles

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The author presents five modules based on mathematics from medieval Islamic cultures for use in a variety of high school and college mathematics courses.
Essays on how number has been critical to the work of scientists through the ages.
A cultural history of the infinite, from ancient to modern times, in which the author clarifies the conceptual underpinnings of this vast topic.
A survey of the use of technology in American mathematics teaching over the past 200 years.
The classic work by Dirk Struik is still worth reading, especially for its attention to the social context of the development of mathematical ideas.
This website contains a complete version of Euclid's Elements, with all the proofs.
Two men start walking at the same time and travel a distance. One is walking faster and completes the journey sooner. How fast did each man travel?
A father left $20,000 to be divided among his four sons ages 6, 8, 10, and 12 years respectively so that each share placed at 4 1/2 compounded interest should amount to the same value when its possessor becomes the age 21.

William Cook recounts the history of and computational progress on the traveling salesman problem, emphasizing connections within mathematics and with other disciplines.

Apollonius found how to draw normals to an ellipse from points in the ellipse by using hyperbolas. A modern version is presented here.