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Convergence articles

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Given a pendulum as shown. The height of the pendulum is two units and its horizontal width is 2 units. What is the area of the pendulum?

A man, woman, and two boys desire to cross a river, but their boat has weight restrictions!

A four-sided town measures 1100 feet on one side and 1000 feet on the other side, on one edge 600 and the other edge 600.

Review of Bertram's text on the history of Greek science.

What is the sum of the following series, carried to infinity: 11, 11/7, 11/49, etc.?
A copper water tank in the form of a rectangular parallelopiped is to made. If its length is to be a times its breadth, how high should it be that for a given capacity it should cost as little as possible?
Given a guest on horseback rides 300 li in a day. The guest leaves his clothes behind. The host discovers them after 1/3 day, and he starts out with the clothes.
Two pages from a 1650 manuscript of the Lilavati of Bhaskara II (1114-1185). The second photo is an illustration of the Pythagorean Theorem.
Original source material from seventeen mathematicians, with commentary by Stephen Hawking.
This resource consists of a series of 61 worksheets, each focused on a particular problem and related to a particular historical mathematical personality.