Suppose a man had put out one cent at compound interest in 1620, what would have been the amount in 1824, allowing it to double once in 12 years?

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

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 circle, a square and an equilateral triangle all have the same perimeter equal to 1 meter. Compare their areas.

There is a circle from within which a square is cut, the remaining portion having an area of 47.6255 square units.

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

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

Now there are 100 deers [being distributed] in a city. If one household has one deer there is a remainder...Find the number of households in the city.

A wooden log is encased in a wall. If we cut part of the wall away to a depth of 1 inch...

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

A guest on horseback rides 300 li in a day. The guest leaves his clothes behind and the host rides off to catch up with the guest once he discovers the clothes. Assuming the host rides without stop tell how far he can go in a day?