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Convergence articles

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There is a number which when divided by 2, or 3, or 4, or 5, or 6 always has a remainder of 1 and is truly divisible by 7. It is sought what is the number?
Collection of historical articles that appeared in Consortium, the newsletter of COMAP.
A discussion of aspects of Leonardo of Pisa's Book of Squares.
This textbook seamlessly combines the history of non-Euclidean geometry with the mathematical ideas.
If two Post-boys, A and B at 59 miles distance from one another, set out in the morning in order to meet...
A biography of the 18th century author of an early calculus text, with some translations from the text.

Having been given the lengths, a and b, of two straight lines drawn from the acute angles of a right triangle to the middle of the opposite sides, determine the lengths of those sides.

The work of ten scientists who thought deeply about patterns.
An introduction to the work of Venn as well as the work of the author in extending some of Venn's results.
Explain the geometric basis of "completing the square," the original method of solving quadratic equations, to your students.