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Convergence articles

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The history of the four color problem with sketches of the attempted proofs in the nineteenth century and an outline of the computer proof of the twentieth century.
The 2006 Joint Mathematics Meetings in San Antonio, TX, January 12-15, 2006, have many sessions in the history of mathematics and their use in teaching.
There is a round town 8000 feet in circumference.
Download the two winning essays to learn about using indivisibles to find the area under a cycloid arch in the 17th century and about the Radon transform and its use in x-ray tomography in the 20th century.
This is the title page of Isaac Barrow's Latin edition of the works of Archimedes, the first four books of Apollonius's Conics, and Theodosius's Spherica. It was published in 1675.
A mouse is at the top of a poplar tree 60 braccia high, and a cat is on the ground at its foot. The mouse decends 1/2 a braccia a day and at night it turns back 1/6 of a braccia.
A collection of articles dealing with mathematical models and objects and how they can be used in teaching.
A collection of biographies of sixty mathematicians from the eighteenth century to the twentieth.
A woodcutter starts to fell a tree 4 feet in diameter, and cuts half way through. One face of the cut is horizontal, and the other face is inclined to the horizontal at an angle of 45 degrees. Find the volume of the wood cut out.
Now there are six-headed four-legged animals and four-headed two-legged birds placed together.

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