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Convergence articles

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Two cog-wheels, one having 26 cogs, and the other 20 cogs, run together. In how many revolutions of the larger wheel will the smaller gain in 12 revolutions?
The author takes us on a historical tour of mathematics through postage stamps of the world that display mathematicians and mathematics.
After a terrible battle it is found that 70% of the soldiers have lost an eye.
Wanting to know the breadth of a river, I measured a base of 500 yards in a straight line close by one side of it.

The copybooks of two young men reveal very different purposes in learning geometry.

In baking a hemispherical loaf of bread of 10" radius, the crust was everywhere of an equal thickness, and the solidity of the crust was equal to half the solid content of the whole loaf. What were the dimensions of the interior soft part?
An analysis of James Gregory's proof of the Pappus-Guldin theorem, along with the original documents both in Latin and English.
A collection of articles from the American Mathematical Monthly by experts on the evolution of various fields of mathematics.
On a day in spring a boy has gathered cherry blossoms under a cherry tree. Nearby a poet is reading some of his poems aloud. As he reads, the boy counts out the cherry blossoms, one blossom for each word of a poem.
This unique and beautiful book features the biographies of twenty-two notable female mathematicians and scientists, showing how their determination, creativity, and intellectual passion helped them excel in their fields.

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