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Convergence articles

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Jodanus de Nemore's Arithmetica
This is a page from an early printed edition of the Arithmetica of Jordanus de Nemore (early 13th century).
Archimedes: What Did He Do Besides Cry Eureka?

Archimedes' work, The Method, explained, along with many other important ideas of the great Greek geometer.

Perimeters of Similar Triangles

The perimeters of two similar triangles are 45 and 135 respectively. One side of the first triangle has length 11 and a second side has length 19. Find the lengths of the sides of the second triangle.

Benjamin Banneker's Trigonometry Puzzle

Benjamin Banneker solved some trigonometry problems in his extant notebooks. One of them is discussed here. The authors have also discovered the probable source of Banneker's trigonometry table.

Alphabet Challenge

In how many ways can a vowel and a consonant be chosen out of the word "logarithms?"

The Sagacity of Circles: A History of the Isoperimetric Problem

A summary of the history of the problem of finding the region of greatest area bounded by a given perimeter. This essay was a winner of the HOM SIGMAA student essay contest in 2006.

Learning Geometry in Georgian England

The copybooks of two young men reveal very different purposes in learning geometry.

Square

The square of a certain number multiplied by itself and by 200 is 446,976. What is the number?

A Locally Compact REU in the History of Mathematics: Involving Undergraduates in Research

A description of a Research Experience for Undergraduates conducted in 2007 at Hood College.

Abel's Proof

A discussion of the meaning of mathematical unsolvability in the context of the history of Abel's proof of the unsolvability of the quintic equation in terms of radicals.

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