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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.
Given a pyramid 300 cubits high, with a square base 500 cubits to a side, determine the distance from the center of any side to the apex.
A survey of the use of technology in American mathematics teaching over the past 200 years.
How does geometry begin? This work explores the origins of geometry in the work of artisans.
In a rectangle, having given the diagonal and perimeter, find the sides
If 40 oranges are worth 60 apples, and 75 apples are worth 7 dozen peaches, and 100 peaches are worth 1 box of grapes and three boxes of grapes are worth 40 pounds of pecans, how many peaches can be bought for 100 oranges?
There is a number which when divided by 2, or 3, or 4, or 5, or 6 always has a remainder of 1 and is truly divisible by 7. It is sought what is the number?

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

Three equal circumferences with radii 6" are tangent to each other. Compute the area enclosed between them.
A discussion of aspects of Leonardo of Pisa's Book of Squares.