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Convergence articles

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A discussion of aspects of Leonardo of Pisa's Book of Squares.
A sourcebook of original materials in the history of mathematics from ancient times to the early twentieth century.
If an arc of 45 degrees on one circumference is equal to an arc of 60 degrees on another circle, what is the ratio of the areas of the circle?
An English translation of Eratosthenes' Geography, which includes "On the Measurement of the Earth."
A man entered an orchard through 7 gates, and there took a certain number of apples. When he left the orchard, he gave the first guard half the apples he had and 1 apple more.
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.
Two officers each have a company of men, the one has 40 less than the other.
A portrait gallery of mathematicians, mostly taken from the collection at the Dibner Library of the Smithsonian, with permission.
An old Chinese general led his army to a river with a steep bank. Standing atop the bank, he held a stick 6 feet long perpendicular to himself.