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Convergence articles

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Images of the first printed edition of Euclid's Elements

The latest HPM Newsletter is now available here. Read it!

A discussion of why we use "e" to represent the base of the natural logarithm system.

An elementary introduction to Euler squares and how they can be used in teacher training

The "rood", a linear measure dating from many centuries ago, is calculated anew in today's classrooms.

Problems taken from Chinese sources
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.
A survey of techniques of minimizing and maximizing over the centuries.
Relationships between Architecture and Mathematics

Here are all articles, classroom activities, and reviews arranged into annual volumes starting with 2004.