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Convergence articles

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Imagine an urn with two balls, each of which may be either white or black. One of these balls is drawn and is put back before a new one is drawn.

Curve sketching, tangent lines, and optimization, explored via interactive applets

A description of this well-regarded website.

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.

Explain the geometric basis of "completing the square," the original method of solving quadratic equations, to your students.

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.

Collection of historical articles that appeared in Consortium, the newsletter of COMAP.
A collection of articles on mathematics in Europe from the twelfth to the fifteenth century.
If two Post-boys, A and B at 59 miles distance from one another, set out in the morning in order to meet...
In many sources, we see that Tartaglia has the surname Fontana. According to the author of this article, the co-discoverer of the cubic formula did not ever use that name.