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Convergence articles

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There is a log 18 feet long, the diameter of the extremities being 1 ft and 2.6 ft respectively...
The development of 30 important mathematics subjects during the twentieth century made understandable to undergraduate mathematics majors.

A detailed study of the cycles of the Mayan calendar, along with some other ancient calendars.

Short biographies of mathematicians with mathematical activities.
A gentleman has bought a rectangular piece of land whose perimeter is to be 100 rods.
A man hired a horse in London at 3 pence a mile. He rode 94 miles due West to Bristol then due north to Chester, whence he returned toward London for 66 miles, which put him in Coventry.
Given right triangle ABC where C is the right angle, ellipse O (a,b) is inscribed in it, with its major axis parallel to BC. Calculate the semi-major axis, a, in terms of AC, BC and b.
A circle, a square and an equilateral triangle all have the same perimeter equal to 1 meter. Compare their areas.
A translation of part of a thirteenth century work by the Byzantine monk Maximus Planudes on the Hindu-Arabic numerals and the algorithms for calculation.
This textbook seamlessly combines the history of non-Euclidean geometry with the mathematical ideas.