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If an equilateral triangle whose area is equal to 10,000 square feet be surrounded by a walk of uniform width, and equal to the area of the inscribed circle, what is the width of the walk?

Servois' 1814 Essay on a New Method of Exposition of the Principles of Differential Calculus, with an English Translation

A study and English translation of Servois' attempt to place calculus on a foundation of algebraic analysis without recourse to infinitesimals, continuing the work of Lagrange.

A Tree with Branches, Nests, Eggs and Birds

There is a tree with 100 branches. How many nests, eggs and birds are there?

Mathematical Expeditions

A collection of original texts to help students learn some important areas of mathematics.

What Are the Odds?

Suppose that the probability of success in an experiment is a/(a+b). How many trials of the experiment are necessary to insure even odds on it happening at least once?

Where Cosine Meets Tangent

Determine by using algebra the number of degrees in the angle A where: cos A = tan A

Midwest History of Mathematics Conference

This conference takes place in 2006 at Pennsylvania State University, Erie.

Bridge Over Troubled Waters

A bridge is built across a river in 6 months by 45 men. It is washed away by the current. Find the number of workmen sufficient to build another of twice as much worth in 4 months.

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

Page 5 of Paul Halmos Photograph Collection: Paul Bateman, Felice Bateman, Edward Begle, Alexandra Bellow, William Johnson, Georgia Benkart, Lipman Bers

Pi: The World's Most Mysterious Number

A discussion not only of the mathematics of pi, but of its applications through the centuries.