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Images from <em>De revolutionibus,</em> the book of Nicolaus Copernicus in which he presented his heliocentric theory, arguing that the planets, including the Earth, rotated about the Sun

Videotape of aspects of the history of mathematics.
This website is connected to the book, The Joy of Pi. It has numerous interesting facts about pi, with links to additional sites.
Paul Halmos Photograph Collection, page 3: M. Auslander, R. Baer, Banchoff, C. N. Moore, I. A. Barnett, P. Erdos, and Lida Barrett
A CD with eleven modules, each containing numerous activities designed to help secondary teachers use the history of mathematics to teach mathematics.
This is the title page of the French edition of Leonhard Euler's text on Algebra. The text was originally published in German in 1767 in St. Petersburg and then translated into French in 1795.
Four episodes in the history of geometry are discussed, where dynamic geometry helps in understanding the ideas.
Classrom suggestions for integrating Leonardo's ideas in several different classes
A horse halving its speed every day runs 700 miles in 7 days.
Two men starting from the same point begin walking in different directions. Their rates of travel are in the ratio 7:3.