# Convergence articles

Displaying 191 - 200 of 665

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 discussion of aspects of Leonardo of Pisa's Book of Squares.
Paul Halmos Photograph Collection, page 2: Arveson, Aschbacher, Askey, Lininger, Atiyah, Doob
This is the opening page of the section of the geometrical work of Oronce Fine (1494-1555) dealing with Euclid's work on circles. This is part of Fine's major work entitled Protomathesis, which covered arithmetic, astronomy and astronomical instruments, as well as geometry.
Now there are six-headed four legged animals and four-headed two-legged birds. Find the total number of animals and birds.
A barrel has various holes in it. The fist hole empties the barrel in three days...

A comparison of the Greek and Chinese approach to the idea of similarity.

A ladder has 100 steps. On the first step sits 1 pigeon; on the second, 2; on the third, 3; and so on up to the hundredth. How many pigeons in all?
A man agreed to pay for 13 valuable houses worth \$5000 each, what the last would amount to, reckoning 7 cents for the first, 4 times 7 cents for the second, and so on, increasing the price 4 times on each to the last.
This is a regular monthly colloquium meeting at Adelphi University in Garden City, NY