Short sketches on how mathematicians work and think.

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Short sketches on how mathematicians work and think.

The radius of a circle is 3.20 meters. Compute to within .001m the areas of the inscribed and circumscribed equilateral triangles.

Given four integers where if added together three at a time their sums are: 20, 22, 24, and 27. What are the integers?

Nine examples of using history in the mathematics classroom -- for those who read French!

A square circumscribed about a given circle is double in area to a square inscribed in the same circle. True of false? Prove your answer.

A collection of original texts to help students learn some important areas of mathematics.

A translation from the original Greek of a manuscript on magic squares by the Byzantine scholar Manuel Moschopoulos, written about 1315

A creative expression combining text, design and illustrations, originally designed for the International Congress of Mathematicians in Madrid.

A cat sitting on a wall 4 cubits high saw a rat prowling 8 cubits from the foot of the wall;

Find a number having remainder 29 when divided by 30 and remainder 3 when divided by 4.