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A certain man had in his trade four weights with which he could weigh integral pounds from one up to 40. How many pounds was each weight?

HOM SIGMAA 2011 Student Paper Contest Winners

Download the three winning essays to learn about Kepler's mathematical astronomy, the roots of modern algebra, and the Quadrivium of Isidore of Seville.

A Room with a View

Find the height of a window.

The Treviso Arithmetic

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

Number from Ahmes to Cantor

A lively history of number systems and number theory from earliest times up to the notion of "infinity".

Mathematics: Powerful Patterns in Nature and Society

The work of ten scientists who thought deeply about patterns.

Mathematics and The Historian's Craft

A collection of the Kenneth May lectures in the history of mathematics given at meetings of the Canadian Society for the History and Philosophy of Mathematics.

Distribution of the Mangoes

Of a collection of mango fruits, the king took 1/6; the queen 1/5 the remainder, and the three princes took 1/4, 1/3 and 1/2 (of the same remainder); and the youngest child took the remaining 3 mangoes.

Who's That Mathematician? Images from the Paul R. Halmos Photograph Collection

Page 9, Images from Paul Halmos Photograph Collection: Burkholder, Butzer, Calderon, Chern, et al

American Pi

A song for Pi Day.