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Convergence articles

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A superb collection of articles by experts on various areas of the history of analysis, from the Greeks to modern times.
A tree 100 units high is 200 units distant from a well; from this tree one monkey climbs down and goes to the well...
Where does pi come from? Why should we be interested in negative numbers, or square roots of negative numbers? How did people ever figure out the quadratic formula? A truly wonderful reference for teachers at all levels.
A square walled city measures 10 li on each side. At the center of each side is a gate. Two persons start walking from the center of the city.
In his analysis of volumes of wine barrels, Kepler used ideas that would become important in differential and integral calculus. Use this article's animated visual imagery to help share Kepler's ideas with your students.
Given a right triangle where you know the length of the base and the sum of the perpendicular side and the hypotenuse.

There are four winners of the HOMSIGMAA Student Paper Contest for 2008. The papers may be accessed here.
A survey of concepts of infinite sets over the centuries.
The authors makes the case for Leonardo da Vinci as the first modern scientist, as he discussed Leonardo's mathematics and science.
Two men brought their fish through customs. Find how much the fish cost, and what is the customs fee.