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Convergence articles

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If 40 oranges are worth 60 apples, and 75 apples are worth 7 dozen peaches, and 100 peaches are worth 1 box of grapes and three boxes of grapes are worth 40 pounds of pecans, how many peaches can be bought for 100 oranges?
This conference takes place in 2006 at Pennsylvania State University, Erie.

A study of the solution of quartic equations in Cardano's Ars Magna and in the work of Euler and Descartes.

Three equal circumferences with radii 6" are tangent to each other. Compute the area enclosed between them.
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.

A comparison of the Greek and Chinese approach to the idea of similarity.

Three vertical posts along a straight canal, each rising to the same height above the surface of the water. By looking at the line of vision, determine, to the nearest mile, the radius of the earth.
This is a regular monthly colloquium meeting at Adelphi University in Garden City, NY
Download the three winning essays to learn about medieval Islamic dust boards, Old Babylonian similarity, and the Fermat Problem.