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Convergence articles

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Short biographies of mathematicians with mathematical activities.
A description of a long-running conference in which undergraduate mathematics students gather to share their research on the history of mathematics.
Fourth Annual Smoky Mountain Undergraduate Conference on the History of Mathematics

This book describes some of the so-called temple geometry problems that Japanese mathematicians posed and solved beginning in the seventeenth century.

Three people buy wood together. One pays the merchant 5 coins, another 3 coins, and the last 2 coins.
A farmer sold a team of horses for $440, but did not receive his pay for them until 1 yr, 8 mo after the sale. He had at the same time another offer of $410 for them. Did he gain or lose by the sale and by how much, money being worth 6%/yr?
A song for Pi Day.
A circle, a square and an equilateral triangle all have the same perimeter equal to 1 meter. Compare their areas.
The number 50 is divided by a certain number. If the divisor is increased by 3, the quotient decreases by 3.75. What is the number?
Paul Halmos Photograph Collection, page 3: M. Auslander, R. Baer, Banchoff, C. N. Moore, I. A. Barnett, P. Erdos, and Lida Barrett