I found a stone but did not weigh it; after I added to it 1/7 of its weight and then 1/11 of this new weight, I weighed the total at 1 mina. What was the weight of the stone?

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

In the figure at the left, if the radii of each inscribed circle is 1, what are the dimensions of the bounding rectangle?

There is a four sided field.

A man died leaving 3 sons, to whom he bequeathed his estate in the following manner: to the eldest he gave 184 dollars; to the second 155 dollars and to the third 96 dollars;

I owe a man the following notes: one of $800 due May 16; one of $660 due on July 1; one of $940 due Sept. 29. He wishes to exchange them for two notes of $1200 each and wants one to fall due June 1. When should the other be due?

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

In one day, a person can make 30 arrows or fletch [put the feathers on] 20 arrows.

A certain man had in his trade four weights with which he could weigh integral pounds from one up to 40. How many pounds was each weight?

Given a semicircle, Prove that if O is the circle's center, DO=OE.

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