Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions

Individual problems from throughout mathematics history, as well as articles that include problem sets for students.

The history and mathematics of curve sketching, tangent lines, and optimization, are explored using interactive applets.

A man went to a draper and bought a length of cloth 35 braccia long to make a suit of clothes.

Two circles, the sum of whose radii is a, are placed in the same plane with their centers at a distance 2a...

Three congruent circles of radius 6 inches are mutually tangent to one another. Compute the area enclosed between them.

A vessel is anchored in 3 fathoms of water and the cable passes over a sheave in the bowspirt which is 6 ft above the water.

Wanting to know the breadth of a river, I measured a base of 500 yards in a straight line close by one side of it.

Determine the radii of three equal circles decribed within and tangent to a given circle, and also tangent to each other

The radius of a circle is 3.20 meters. Compute to within .001m the areas of the inscribed and circumscribed equilateral triangles.

Three equal circumferences with radii 6" are tangent to each other. Compute the area enclosed between them.