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Convergence articles

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A ladder has 100 steps. On the first step sits 1 pigeon; on the second, 2; on the third, 3; and so on up to the hundredth. How many pigeons in all?
This article contains examples of the use of the rule of false position in the solution of geometric problems as found in the work of Simon Stevin. We discuss the benefits for future teachers and their students.

We invite you to send us information about these photographs of 20th century mathematicians.

The Fibonacci numbers and applications to areas such as plant growth and stock market predictions.
On Triangles, by Regiomontanus (Johannes M�ller) (1436-1476), written in 1464 but not published until 1533.
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In a given square, inscribe 4 equal circles so that...

An elementary introduction to Euler squares and how they can be used in teacher training

Find the isoceles triangle of smallest area that circumscribes a circle of radius 1.
A study of some elements of Greek geometry, as part of a course for liberal arts undergraduates on basic concepts of the calculus.