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Convergence articles

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Aspects of classical Greek mathematics are compared with areas of Babylonian mathematics.
Brief biographies of mathematicians with mathematical activities based on their work.
The story of Nicolaus Mercator, music, and logarithms.
This is the title page of the 1640 printing of Galileo's Operation of the Geometrical and Military Compass, originally published privately in 1606. Galileo had invented a version of this geometrical compass a few years earlier and evidently gave copies of this manual to those who bought the compass. The compass had many uses, from performing square root calculations to determining ranges of cannons to solving surveying problems.
The annual meeting of the HPM Americas Section will take place Friday, April 28 at 5:30 pm. in the Landmark 5
room of the Renaissance Grand Hotel in St. Louis.
This is a translation of an article of Leonhard Euler in which he attempts to prove the fundamental theorem of algebra. In addition, he discusses in detail his understanding of the nature of complex numbers.
A discussion of the meaning of mathematical unsolvability in the context of the history of Abel's proof of the unsolvability of the quintic equation in terms of radicals.
Essays on how number has been critical to the work of scientists through the ages.

A translation of and commentary on Frans van Schooten's work on constructions using only a straightedge. Van Schooten's postulates for use of the straightedge, however, allow the copying of one line segment onto another.