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Convergence articles

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A merchant bought 50,000 pounds of pepper in Portugal for 10,000 scudi and paid a tax of 500 scudi.
The annual meeting of the NCTM always contains sessions dealing with the history of mathematics and its use in teaching.
A letter to Sam Greitzer, late editor of Arbelos, discussing the derivation of two formulas for calculating pi.
A great book from which to learn and teach the subject of relativity.
A collection of sixteen posters of contributors to calculus, with brief biographical sketches.

How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students

Videotape of aspects of the history of mathematics.
A man and his wife drink a barrel of wine at different rates. Find the rate it takes both of them together to drink the wine.
Title page from the Ars Magna, by Gerolamo Cardano, published in 1545. Engraved portrait of the author. First printed text of algebraic solution of cubic equations.
In Archimedes' Book of Lemmas (ca 250), he introduces a figure that, due to its shape, has historically been known as "the shoemaker's knife" or arbelos.