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Convergence articles

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A translation of and commentary on Frans van Schooten's work on constructions using only a straightedge. Van Schooten's postulates for use of the straightedge, however, allow the copying of one line segment onto another.
The Ohio Section Short Course will consider the use of original sources in teaching mathematics.
A wooden beam is stood vertically against a wall. The length of the beam is 30 units.
Given a door and a measuring rod of unknown dimensions, the rod is used to measure the door.
If a ball 6 inches in diameter weighs 32 lbs, what will be the weight of a ball 3 inches in diameter?
Find the two numbers such that multiplying one by the other makes 8 and the sum of their squares is 27
A discussion not only of the mathematics of pi, but of its applications through the centuries.
The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.
I found a stone but did not weigh it; after I added to it 1/7 of its weight and then 1/11 of this new weight, I weighed the total at 1 mina. What was the weight of the stone?
In the figure at the left, if the radii of each inscribed circle is 1, what are the dimensions of the bounding rectangle?

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