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Convergence articles

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A speculator bought stock at 25% below par and sold it at 20% above par. He gained $1560. How much did he invest?
There are two numbers whose sum equals the difference of their squares.
A biography of Arthur Cayley, the outstanding mathematician of Victorian Britain.
How much does Landowner A give to each worker knowing Landowner B gives a certain amount more and has few workers.
A square walled city of unknown dimensions has four gates, one at the center of each side.
Instructions that apply to Convergence but not necessarily to other areas of Loci
Two men rent a pasture for 100 liras on the understanding that two cows are to be counted as being equivalent to three sheep. The first puts in 60 cows and 85 sheep; the second 80 cows and 100 sheep. How much should each pay?
If 80 dollars worth of provisions will serve 20 men for 25 days, what number of men will the same amount of provisions serve for 10 days?
The Midwest History of Mathematics Conference will take place in the Reinhart Center of Viterbo University, LaCrosse, Wisconsin, on October 3 and 4, 2008.
Essays on various aspects of Greek science and mathematics, which help give a context for those aspects of Greek culture.