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Convergence articles

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Find two numbers, x and y, such that their sum is 10 and x/y + y/x = 25
In how many ways can a vowel and a consonant be chosen out of the word "logarithms?"
Cantor's work on Fourier series provides historical motivation for the study of point-set topology.
This a wonderfully written tour of aspects of classical geometry-- a must read for all geometry teachers.
Page from the table of contents of Robert Recorde's The Grounde of Artes (1543) in which is outlined the first dialogue. This dialogue deals with some of the elements of arithmetic, including the basic operations and the use of the rule of three (or the Golden rule).
Brief biographies of mathematicians with mathematical activities based on their work.
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 length of those sides.
Prove geometrically that the hypocycloid is a straight line when the radius of the rolling circle is one-half the radius of the fixed circle.
Explain the geometric basis of "completing the square," the original method of solving quadratic equations, to your students.
A song for Pi Day.