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Convergence articles

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What is the sum of the following series, carried to infinity: 11, 11/7, 11/49, etc.?
A creative expression combining text, design and illustrations, originally designed for the International Congress of Mathematicians in Madrid.
Suppose that the propability of success in an experiment is 1/10. How many trials of the experiment are necessary to insure even odds on it happening at least once?
Find a number having remainder 29 when divided by 30 and remainder 3 when divided by 4.
The author compares Greek ladder, continued fraction, and Newton's Method approximations, noting that the Greek ladder easily gives both of Archimedes' famous bounds.
This is a description of the crosswalk from Convergence to Loci Convergence.
Two merchants, A and B, loaded a ship with 500 hhds (hogshead) of rum; A loaded 350 hhds, and B the rest; in a storm the seamen were obliged to throw overboard 100 hhds; how much must each sustain of the loss?
What number which being increased by 1/2, 1/3, and 1/4 of itself, the sum shall be 75?
Posters illustrating mathematics concepts in such places as China, Japan, India, and the Americas.
An interesting problem from Banneker's notebook as well as other problems to use with students.