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Convergence articles

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There is a mound of earth in the shape of a frustum of a cone.
A collection of 24 mini-posters, each containing a quotation about mathematics.
Three congruent circles of radius 6 inches are mutually tangent to one another. Compute the area enclosed between them.

A detailed study of the cycles of the Mayan calendar, along with some other ancient calendars.

If a ball 6 inches in diameter weighs 32 lbs, what will be the weight of a ball 3 inches in diameter?
There is a number which when divided by 2, or 3, or 4, or 5, or 6 always has a remainder of 1 and is truly divisible by 7. It is sought what is the number?
A discussion not only of the mathematics of pi, but of its applications through the centuries.
A discussion of aspects of Leonardo of Pisa's Book of Squares.
Mathematics is often referred to today as the "science of patterns." But has this always been true historically, or is this something that happened in recent times? The question is discussed here with reference to the work of Euclid and Jacob Steiner.
A horse, halving its speed each day, travels 700 miles in 7 days. How far does it travel each day?