Given: a circle with an inscribed equilateral triangle. The triangle has an area of 12 square units. What is the area of the circle?

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In this collection of essays on modern trends and issues in the history of mathematics, consideration of mathematics history in the classroom is often more theoretical than practical.

A survey of the mathematics education of cadets in the first century after the founding of the U.S. Military Academy.

Given the fraction ax/ (a-x ), convert it into an infinite series.

In a circle whose circumference is 60 units, a chord is drawn forming a segment whose sagitta is 2 units. What is the length of the chord?

Knowing the base, b, and the altitude, a, of a triangle. Find the expression for a side of the inscribed square.

Given a guest on horseback rides 300 li in a day. The guest leaves his clothes behind. The host discovers them after 1/3 day, and he starts out with the clothes.

A two door gate of unknown width is opened so that a 2 inch gap exists between the two doors.

Website containing much information on mathematical symbolism and terminology, as well as portraits of mathematicians from postage stamps.

This resource consists of a series of 61 worksheets, each focused on a particular problem and related to a particular historical mathematical personality.