In order to encourage his son in the study of arithmetic, a father agrees to pay him 8 pennies for every problem solved correctly and to charge him 5 pennies for each incorrect solution.

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In a right triangle, the hypotenuse is 9.434 and the sum of the sides around the right angle is 13. Find the lengths of the sides around the right angle.

What will the diameter of a sphere be, when its volume and surface area are expressed by the same number?

The paperback reprint of this large collection of articles by experts on all aspects of the history and philosophy of mathematics.

Request from the editors.

Posters illustrating mathematics concepts in such places as China, Japan, India, and the Americas.

An extension of Al-Karaji's formula for the sum of the cubes by a 19th century Turkish author and journal editor

The author became fascinated with the mysterious role of √-1 in electronics. Turning to history for insight, he brings the perspectives of both a practical man and a scholar in conveying the enchantment of mathematics for a non-mathematician.

The earliest known example of a printed book on arithmetic, dates to 1478. Also known as the Art of Calculation.

The story of the negative numbers