Eratosthenes' measurement of the earth, in a form that's easy for teachers to use in the classroom.

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Eratosthenes' measurement of the earth, in a form that's easy for teachers to use in the classroom.

There is a four-sided field whose eastern side measures 35 paces, its western side 45 paces, its southern side 25 paces and its northern side 15 paces. Find the area of this field.

The author takes us on a historical tour of mathematics through postage stamps of the world that display mathematicians and mathematics.

A general mathematics website with much information on the history of mathematics.

One hundred men besieged in a castle, have sufficient food to allow each one bread to the weight of 14 lot a day for ten months.

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

Jacqueline Stedall has uncovered the numerous algebraic ideas of Thomas Harriot from the early 17th century and has organized them into a readable treatise.

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.

A collection of articles from the American Mathematical Monthly by experts on the evolution of various fields of mathematics.

A new collection of original source materials in the mathematics of five civilizations.