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Page from the table of contents of Robert Recorde's The Grounde of Artes (1543) in which is outlined the first dialogue. This dialogue deals with some of the elements of arithmetic, including the basic operations and the use of the rule of three (or the Golden rule).

Colorful Characters of Mathematics

Whimsical posters of fifteen mathematicians with brief biographies.

A Circular Problem

Three circles of varying radius are mutually tangent. The area of the triangle connecting their centers is given. Find the radius of the third circle.

Guidelines for Submissions

Going Through the Paces

There is a four sided field.

Minimizing Cost

A gentleman has bought a rectangular piece of land whose perimeter is to be 100 rods; and he is to pay 1 dollar for each rod in the length of the land and 3 dollars for each rod in the breath of the land.

Mathematical Treasure: Isaac Greenwood's Arithmetick

Image of first arithmetic book published in the English colonies in what is now the Eastern United States

Math Archives: History of Mathematics website

A website with links to information about numerous topics in the history of mathematics.

Mathematics Emerging: A Sourcebook 1540 - 1900

A new sourcebook containing the works in their original form along with a translation and a brief commentary.

Teaching Leonardo: An Integrated Approach

Classrom suggestions for integrating Leonardo's ideas in several different classes