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Convergence articles

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A collection of sixteen posters of contributors to calculus, with brief biographical sketches.
Given four integers where if added together three at a time their sums are: 20, 22, 24, and 27. What are the integers?
Videotape of aspects of the history of mathematics.
A square circumscribed about a given circle is double in area to a square inscribed in the same circle. True of false? Prove your answer.
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 translation of part of a thirteenth century work by the Byzantine monk Maximus Planudes on the Hindu-Arabic numerals and the algorithms for calculation.
Instructions that apply to Convergence but not necessarily to other areas of Loci
Classrom suggestions for integrating Leonardo's ideas in several different classes
Two men starting from the same point begin walking in different directions. Their rates of travel are in the ratio 7:3.
A bridge is built across a river in 6 months by 45 men. It is washed away by the current. Required the number of workmen sufficient to build another of twice as much worth in 4 months.