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Convergence articles

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The authors makes the case for Leonardo da Vinci as the first modern scientist, as he discussed Leonardo's mathematics and science.
A discussion of aspects of Leonardo of Pisa's Book of Squares.
The square root of half the number of bees in a swarm has flown out upon a jessamine bush; 8/9 of the swarm has remained behind.
A lady has two silver cups, and only one cover for both. The first cup weighs 16 oz, and when it is covered it weighs 3 times as much as the second cup; but when the second cup is covered, it weighs 4 times as much as the first.
An English translation of Eratosthenes' Geography, which includes "On the Measurement of the Earth."
A collection of articles on using the history of mathematics of the past 200 years in the undergraduate classroom.
The history of apportionment of representatives in the U.S. Congress, from the 1790s until today, along with a discussion of the mathematics involved in the various methods.
The work of ten scientists who thought deeply about patterns.
The triangle ABC has a right angle at C. Show that 1/ED=1/AC+1/AB
A portrait gallery of mathematicians, mostly taken from the collection at the Dibner Library of the Smithsonian, with permission.