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Convergence articles

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There are two columns in the ruins of Persepolis left standing upright; one is 70 ft. above the plane, and the other 50 ft;
A study of Mullikan's Nautilus, using movies to illustrate the important ideas
Three hundred pigs are to be prepared for a feast.
A translation from the original Greek of a manuscript on magic squares by the Byzantine scholar Manuel Moschopoulos, written about 1315

Our reviewer praises the selection of excerpts, the use of facsimiles rather than transcriptions, and the commentary and English translation in this collection.

A cat sitting on a wall 4 cubits high saw a rat prowling 8 cubits from the foot of the wall;
This is the title page of the Treatise of Algebra (1685), by John Wallis. This is probably the first attempt at a history of the subject of algebra, presented in the context of a text on the subject. Among the most famous parts of this treatise is Wallis's discussion of the work of Thomas Harriot, especially his contention that Rene Descartes plagiarized Harriot's symbolization procedure in algebra.
If a ball 6 inches in diameter weighs 32 lbs, what will be the weight of a ball 3 inches in diameter?
The history of the Poincare conjecture up to its recent proof by Grigori Perelman.
A discussion not only of the mathematics of pi, but of its applications through the centuries.

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