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Convergence articles

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The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.
An introduction to the work of Venn as well as the work of the author in extending some of Venn's results.
In the figure at the left, if the radii of each inscribed circle is 1, what are the dimensions of the bounding rectangle?
An erect pole of 10 cubits has its base moved 6 cubits. Determine the new height and the distance the top of the pole is lowered.
The quadrennial meeting of the International Study Group on the Relations between History and Pedagogy of Mathematics will be in Mexico City, July 14-18, 2008.
On an expedition to seize his enemy's elephants, a king marched 2 yojanas the first day.
A translation of one of the seminal papers in the field of elliptic integrals, but one that can be read by an undergraduate.
A series of circles have their centers on an equilateral hyperbola and pass through its center. Show that their envelope is a lemniscate.

[Translation of title: Algebra in the Time of Babylon. When Mathematics Were Written on Clay.] A thorough review of Jens Hoyrup's revision, expansion, and French translation of his own 1998 book for Danish high-school students.

Given a semicircle, Prove that if O is the circle's center, DO=OE.