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Convergence articles

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Three congruent circles of radius 6 inches are mutually tangent to one another. Compute the area enclosed between them.
Tartaglia's method for solving cubics, which he eventually explained to Cardano.
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 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.
Illustration of a counting board in Strasbourg
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.
I am a brazen lion; my spouts are my 2 eyes, my mouth, and the flat of my foot. My right eye fills a jar in 2 days, my left eye in 3, and my foot in 4.
There is a round town 8000 feet in circumference.