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Convergence articles

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A set of four posters dealing with the Pythagorean Theorem, infinity, prime numbers, and the history of pi.
A popular history of ancient mathematics, dealing with the mathematics of ancient Egypt and Babylonia.
A reprint of the 32nd yearbook of the NCTM, dealing with developments in mathematics education in the U.S. and Canada. In particular, it gives a history of the various reform movements up to the publication date of 1980.
A report on an Australian teacher's use of material from the Rhind Papyrus.
A study of some elements of Greek geometry, as part of a course for liberal arts undergraduates on basic concepts of the calculus.
There are a number of wonderful mathematics websites that readers of Convergence should be aware of. We describe some of them here.
This is a page from an early printed edition of the Arithmetica of Jordanus de Nemore (early 13th century).
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 man bought a number of sheep for $225; 10 of them having died, he sold 4/5 of the remainder for the same cost and received $150 for them. How many did he buy?