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The work of ten scientists who thought deeply about patterns.
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.
A portrait gallery of mathematicians, mostly taken from the collection at the Dibner Library of the Smithsonian, with permission.
In his analysis of volumes of wine barrels, Kepler used ideas that would become important in differential and integral calculus. Use this article's animated visual imagery to help share Kepler's ideas with your students.
Fibonacci gave a practical rule for approximating the area of an equilateral triangle.
There are four winners of the HOMSIGMAA Student Paper Contest for 2008. The papers may be accessed here.
Thumbnail sketches of statisticians throughout history.
We sadly announce the untimely death of one of Convergence's editorial board members.
Find two numbers, x and y, such that their sum is 10 and x/y + y/x = 25
A man died leaving 3 sons, to whom he bequeathed his estate in the following manner: to the eldest he gave 184 dollars; to the second 155 dollars and to the third 96 dollars;

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