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Convergence articles

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A lively history of number systems and number theory from earliest times up to the notion of "infinity".

Given right triangle ABC where C is the right angle, ellipse O (a,b) is inscribed in it, with its major axis parallel to BC. Calculate the semi-major axis, a, in terms of AC, BC and b.
A translation of part of a thirteenth century work by the Byzantine monk Maximus Planudes on the Hindu-Arabic numerals and the algorithms for calculation.

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.

Nine examples of using history in the mathematics classroom -- for those who read French!

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

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.

A collection of 24 mini-posters, each containing a quotation about mathematics.

A survey of this theorem's 4000 year history, with applications to many fields.

Three congruent circles of radius 6 inches are mutually tangent to one another. Compute the area enclosed between them.

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