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

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

A fox, a raccoon, and a hound pass through customs and together pay 111 coins.

The square of a certain number multiplied by itself and by 200 is 446,976. What is the number?

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

Suppose that for every 4 cows a farmer has, he should plow 1 acre of land, and allow 1 acre of pasture for every 3 cows; how many cows could he keep on 140 acres?

Given right triangle ABC where C is the right angle, ellipse O (a,b) is inscribed in it, with its major axis parallel to BC. Calculate the semi-major axis, a, in terms of AC, BC and b.

The cavity of our chimney is an upright parallelepiped, the diagonal of whose base is 60"; and the height of the lower side of the lintel above the plane of the floor is 40".

Given a number, take 1/3 of the number away from itself and add 2. If this result is multiplied by itself, it equals the number plus 24. What is the number?

The perimeters of two similar triangles are 45 and 135 respectively. One side of the first triangle has length 11″ and a second side, 19″. Find the lengths of the sides of the second triangle.

What is the value of X...