A survey of early theories of planetary motion, with dynamic figures to help in understanding these motions.

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A collection of articles on mathematics in Europe from the twelfth to the fifteenth century.

Three persons bought a sugar loaf in the form of a perfect cone 25"" high and agreed to divide it...what was the slant height of each one's share?

In many sources, we see that Tartaglia has the surname Fontana. According to the author of this article, the co-discoverer of the cubic formula did not ever use that name.

This book is a collection of mathematical ideas organized around the themes of infinity and the illumination of the nature of mathematical thought.

A wonderful book about the square root of 2, beginning with the search for the side of a square double a given square.

Page 4: Images of Jose Barria, Paul Halmos, Robert Bartle, Marshall Stone, Hyman Bass, and Joseph Bastian from the Halmos snapshot collection

A collection of articles about historical and contemporary women in mathematics.

This is the title page of the 1599 edition of the Rechenbuch of Simon Jacob (d. 1564), a Rechenmeister of the sixteenth century. This was a commercial arithmetic text, in which the basic laws of arithmetic were applied to many practical problems.

Three circles of varying radius are mutually tangent. The area of the triangle connecting their centers is given. Find the radius of the third circle.