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Convergence articles

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A certain merchant increases the value of his estate by 1/3...
The annual meeting of the NCTM contains numerous sessions dealing with the history of mathematics.
Make a crown of gold copper, tin, and iron weighing 60 minae: gold and copper shall be 2/3 of it; gold and tin, 3/4 of it; and gold and iron, 3/5 of it. Find the required weights of gold, copper, tin, and iron.
A set of n disjoint, congruent circles packs the surface of a sphere S so that each region of the surface exterior to the circles is bounded by arcs of three of the circles.
The first detailed biography of James Joseph Sylvester.
Two circles, the sum of whose radii is a, are placed in the same plane with their centers at a distance 2a...

A math history class visits the 'Beautiful Science' exhibit at the Huntington Library in Southern California.

Given four numbers whose sum is 9900; the second exceeds the first by 1/7 of the first...
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.
Find the greatest value of y in the equation a4 x2= (x2 + y2)3.