If you are h feet tall and walk all the way around the Earth, keeping to the same circumference, how much farther has your head gone than your feet when you complete the journey?

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There is a log of precious wood 18 feet long whose bases are 5 feet and 2.5 feet in circumference. Into what lengths should the log be cut to trisect its volume?

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Apollonius found how to draw normals to an ellipse from points in the ellipse by using hyperbolas. A modern version is presented here.

A fox, a raccoon, and a hound pass through customs and together pay 111 coins.

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

A method for extracting square roots used in Italy through the 18th century was introduced in a manuscript by the 12th century mathematician al-Hassar. Appendix: When Was Fermat Born? (Not in 1601 ...)

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

Given the cats eye as shown. Let the radius of the eye be given by R. What is the area of the pupil?

A collection of sixteen posters of contributors to calculus, with brief biographical sketches.