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Convergence articles

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The classic work by Dirk Struik is still worth reading, especially for its attention to the social context of the development of mathematical ideas.
A bridge is built across a river in 6 months by 45 men. It is washed away by the current. Required the number of workmen sufficient to build another of twice as much worth in 4 months.
The authors provide descriptions of Maya calendar systems, photos of artifacts, examples of calendar conversions, and exercises for classroom use.
A survey of techniques of minimizing and maximizing over the centuries.
A discussion of a collaborative effort in Italy to produce materials enabling secondary school teachers to use the history of mathematics in the classroom.
Two persons sat down to play for a certain sum of money; and agree that the first who gets three games shall be the winner. After a few games they resolve to divide the stakes. How much should each person receive?
Apollonius found how to draw normals to an ellipse from points in the ellipse by using hyperbolas. A modern version is presented here.
Given two circles tangent to each other and to a common line, determine a relationship between the radii and the distance between the tangent points.
A fox, a raccoon, and a hound pass through customs and together pay 111 coins.
A brief introduction to the life of John Napier, along with an animation of calculations using Napier's bones.

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