Images of the first printed edition of Euclid's Elements

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Images of the first printed edition of Euclid's Elements

A round pond sits in a rectangular garden. Its center is inaccessible; however, you know the distances from each corner of the garden to the center of the pond: 60, 52, 28, and 40 yards. What is the radius of the pond?

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

Curve sketching, tangent lines, and optimization, explored via interactive applets

A new edition of a brief history text, arranged topically rather than chronologically.

A description of this well-regarded website.

This will be the fifth meeting of this kind, which brings together mathematics educators and researchers to share their teaching ideas and classroom experience in teaching mathematics based on historical, epistemological and cultural approaches.

How long does it take a single man to do work when...

An oracle ordered a prince to build a sacred building, whose space would be 400 cubits, the length being 6 cubits more than the width, and the width 3 cubits more than the height. Find the dimensions of the building.

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