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Convergence articles

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Prove Chuquet's rule of average numbers.

A history of the concept of zero from as far back as the Babylonian period, with philosophical excursions into the meaning of "nothing".

There is a four-sided field whose eastern side measures 35 paces, its western side 45 paces, its southern side 25 paces and its northern side 15 paces. Find the area of this field.

NCTM Meeting in Philadelphia
This conference takes place in 2006 at Pennsylvania State University, Erie.

A lady has two silver cups, and only one cover for both. The first cup weighs 16 oz, and when it is covered it weighs 3 times as much as the second cup; but when the second cup is covered, it weighs 4 times as much as the first.

An English translation of Eratosthenes' Geography, which includes "On the Measurement of the Earth."

A collection of articles on using the history of mathematics of the past 200 years in the undergraduate classroom.

Photo of Plimpton 322, an old Babylonian Tablet, from the Plimpton Collection at the Columbia University Library. Part of the Mathematical Treasures section of Loci: Convergence.
This a wonderfully written tour of aspects of classical geometry-- a must read for all geometry teachers.

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