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Convergence articles

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Dynamic geometry software is used to demonstrate early Greek attempts at the trisection of an angle and the squaring of a circle.

A comparison of the Greek and Chinese approach to the idea of similarity.

On Triangles, by Regiomontanus (Johannes M�ller) (1436-1476), written in 1464 but not published until 1533.

A translation of and commentary on Frans van Schooten's work on constructions using only a straightedge. Van Schooten's postulates for use of the straightedge, however, allow the copying of one line segment onto another.

A highly recommended new book on the history and applications of pi.
This is a regular monthly colloquium meeting at Adelphi University in Garden City, NY
Find the two numbers such that multiplying one by the other makes 8 and the sum of their squares is 27
Having been given the perimeter and perpendicular of a right angled triangle, it is required to find the triangle.
A vessel is anchored in 3 fathoms of water and the cable passes over a sheave in the bowspirt which is 6 ft above the water.