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Convergence articles

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This is from a letter of June, 1695 in which Leibniz is discussing differentiation with Johann Bernoulli. The work in which these letters appear is the Virorum Celeberr. Got. Gul. Leibnitii et Johann Bernoulli Commercium Philosophicum et Mathematica, originally published in 1740.
This is a collection of plates that Leonardo da Vinci created to illustrate De divina proportione of Luca Pacioli.
Now there are three sisters who leave home together.
If a ball 6 inches in diameter weighs 32 lbs, what will be the weight of a ball 3 inches in diameter?
A discussion not only of the mathematics of pi, but of its applications through the centuries.
Collection of historical articles that appeared in Consortium, the newsletter of COMAP.

The author shows how teachers can use Leonhard Euler's original works in the classroom to explore Euler's famous polyhedral formula,
V + F = E + 2.

If two Post-boys, A and B at 59 miles distance from one another, set out in the morning in order to meet...
A history of the various algebraic structures that came together to give us "abstract algebra" by early in the twentieth century.
There is a log 18 feet long, the diameter of the extremities being 1 ft and 2.6 ft respectively...