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Convergence articles

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How high above the earth must a person be raised that he [or she] may see 1/3 of its surface?
The author presents five modules based on mathematics from medieval Islamic cultures for use in a variety of high school and college mathematics courses.
Prove that the area of a regular polygon can be given by the product of its perimeter and half the radius of the inscribed circle.
A survey of the use of technology in American mathematics teaching over the past 200 years.
A collection of sixteen posters of contributors to calculus, with brief biographical sketches.
The history of the Poincare conjecture up to its recent proof by Grigori Perelman.
Videotape of aspects of the history of mathematics.
Some ideas on using student reports when you teach a course in the history of mathematics
Having been given the perimeter and perpendicular of a right angled triangle, it is required to find the triangle.

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