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Convergence articles

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Two travelers, starting at the same time from the same point, travel in opposite directions round a circular railway.
Three congruent circles of radius 6 inches are mutually tangent to one another. Compute the area enclosed between them.
A highly recommended new book on the history and applications of pi.

Review of a book that suggests that the accepted historical chronology is fundamentally flawed.

Show that the curves x2 - y2 = a2 and 2 xy = b2 cross at right angles.
Here is the title page of part I of the General Trattato di Numeri (General Treatise on Number and Measure) (1556) of Niccolo Tartaglia (1500-1557). This is an extensive work on elementary mathematics that was popular in Italy for several decades after its publication.
Mathematics is often referred to today as the "science of patterns." But has this always been true historically, or is this something that happened in recent times? The question is discussed here with reference to the work of Euclid and Jacob Steiner.
Having been given the perimeter and perpendicular of a right angled triangle, it is required to find the triangle.
A study of Victorian idealism and its relation to religion, as exemplified in the work of three 19th century British mathematicians.
A horse, halving its speed each day, travels 700 miles in 7 days. How far does it travel each day?

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