Two men brought their fish through customs. Find how much the fish cost, and what is the customs fee.

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If I were to give 7 pennies to each beggar at my door, I would have 24 pennies left in my purse. How many beggars are there and how much money do I have?

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

Having been given the lengths, a and b, of two straight lines drawn from the acute angles of a right triangle to the middle of the opposite sides, determine the lengths of those sides.

Explain the geometric basis of "completing the square," the original method of solving quadratic equations, to your students.

Fibonacci gave a practical rule for approximating the area of an equilateral triangle.

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 comparison of the Greek and Chinese approach to the idea of similarity.

Thumbnail sketches of statisticians throughout history.

The first page of Pathway to Knowledge by Robert Recorde (1510-1558). A version of Euclid's Elements, with commentary by Recorde to make it easier to understand. This page includes Euclid's first three postulates.