Having been given the sum of two numbers,a, and the difference of their squares,b, find the numbers.

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

Having been given the sum of two numbers,a, and the difference of their squares,b, find the numbers.

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.

Determine the greatest cylinder that can be inscribed in a given cone.

A square walled city measures 10 li on each side. At the center of each side is a gate. Two persons start walking from the center of the city.

If in a circle ABDC, circumscribe an equilateral triangle ABC; the straight line AD is equal to the sum of the two straight lines BD and DC: required a demonstration.

A cat sitting on a wall 4 cubits high saw a rat prowling 8 cubits from the foot of the wall;

The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.

A lady being asked how old she was at the time of her marriage replied that the age of her oldest son was 13; that he was born 2 years after her marriage...

A square circumscribed about a given circle is double in area to a square inscribed in the same circle. True of false? Prove your answer.