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Convergence articles

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Two circles, the sum of whose radii is a, are placed in the same plane with their centers at a distance 2a...
A collection of short pieces detailing how Euler solved a particular mathematics problem.
Cantor's work on Fourier series provides historical motivation for the study of point-set topology.
Assume that the human population after the flood was 6 and that 200 years later the population was 1,000,000. Find the annual growth of the population.
Of a collection of mango fruits, the king took 1/6; the queen 1/5 the remainder, and the three princes took 1/4, 1/3 and 1/2 (of the same remainder); and the youngest child took the remaining 3 mangoes.
Tartaglia's method for solving cubics, which he eventually explained to Cardano.
This is a page from a manuscript of the Algebra (Maqalah fi al-jabra wa-al muqabalah) of Omar Khayyam (1048-1131). This work is known for its solution of the various cases of the cubic equation by finding the intersections of appropriately chosen conic sections.
Simpson's methods for finding maxima and minima are explored by using examples from his "Doctrine and Application of Fluxions." Many of his techniques could be used in today's classroom.
Four episodes in the history of geometry are discussed, where dynamic geometry helps in understanding the ideas.
Image of first arithmetic book published in the English colonies in what is now the Eastern United States