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Convergence articles

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After a terrible battle it is found that 70% of the soldiers have lost an eye.
An introduction to the priority dispute between Euler and D'Alembert relating to several mathematical ideas that both worked on in the 1740s and 1750s.
A set of four posters dealing with the Pythagorean Theorem, infinity, prime numbers, and the history of pi.
A reprint of the 32nd yearbook of the NCTM, dealing with developments in mathematics education in the U.S. and Canada. In particular, it gives a history of the various reform movements up to the publication date of 1980.

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

On a day in spring a boy has gathered cherry blossoms under a cherry tree. Nearby a poet is reading some of his poems aloud. As he reads, the boy counts out the cherry blossoms, one blossom for each word of a poem.
To find three quantities x.y, and z...
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.
A history of algebra from its early beginnings to the twentieth century.
A boy gives 11 coins of equal denomination to a man, and the man finds that their total value in yen is 4 less than his age.

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