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.

There are two piles, one containing 9 gold coins, the other 11 silver coins.

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;

How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students

There is a mound of earth in the shape of a frustum of a cone.

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.

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

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

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 length of those sides.