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NCTM 2007 Annual Meeting in Atlanta

The annual meeting of the NCTM always contains sessions dealing with the history of mathematics and its use in teaching.

Gerbert d'Aurillac and the March of Spain: A Convergence of Cultures

The story of Gerbert, who became Pope Sylvester II in 999, and his mathematics.

Who's That Mathematician? Images from the Paul R. Halmos Photograph Collection

Page 8, Images from the Paul Halmos Photograph Collection: Armand Borel, Karol Borsuk, Raoul Bott, William Browder, H. Arlen Brown, and R. Creighton Buck

History of Mathematics - Mesopotamia to Modernity

A new history of mathematics text which asks lots of questions about the history and the mathematics.

A Treatise of Algebra by John Wallis, Harriot, Descartes

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.

Ratio of Areas of Two Circles

If an arc of 45 degrees on one circumference is equal to an arc of 60 degrees on another circle, what is the ratio of the areas of the circles?

Bicyclists on a Track

Two bicyclists travel in opposite directions around a quarter-mile track and meet every 22 seconds. When they travel in the same direction on this track, the faster passes the slower once every 3 minutes and 40 seconds. Find the rate of each rider

An Apple a Day

A man entered an orchard through 7 gates, and there took a certain number of apples. When he left the orchard, he gave the first guard half the apples he had and 1 apple more.

Arbelos

In Archimedes' Book of Lemmas (ca 250), he introduces a figure that, due to its shape, has historically been known as "the shoemaker's knife" or arbelos.

Horse of Course

One person possesses 7 asava horses, another 9 haya horses, and another 9 camels. Each gives two animals away, one to each of the others.