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Convergence articles

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This textbook seamlessly combines the history of non-Euclidean geometry with the mathematical ideas.

How many calves, goats and pigs did the farmer buy?

Determine the dimensions of the least isosceles triangle ACD that can circumscribe a given circle.

The history of the four color problem with sketches of the attempted proofs in the nineteenth century and an outline of the computer proof of the twentieth century.

There are many historical sessions during the 2007 summer meeting of the Mathematical Association of America.

I wish to find three numbers of such nature that the first and the second with 1/2 of the third makes 20...

A bridge is built across a river in 6 months by 45 men. It is washed away by the current. Find the number of workmen sufficient to build another of twice as much worth in 4 months.

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.

A survey of techniques of minimizing and maximizing over the centuries.

This is a description of the crosswalk from Convergence to Loci Convergence.