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.

A number is required; that the square shall be equal to twice the cube.

A leech invited a slug for a lunch a leuca away.

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?

Chuquet claimed that if given positive numbers a, b, c, d then (a + b) / (c + d) lies between a/c and b/d. Is he correct? Prove your answer

Determine a number having remainders 2, 3, 2 when divided by 3, 5, 7 respectively.

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.

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