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

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

A man plants 4 kernels of corn, which at harvest produce 32 kernels: these he plants the second year; now supposing the annual increase to continue 8 fold, what would be the produce of the 15th year, allowing 1000 kernels to a pint?

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

A general formed his men into a square, that is, an equal number in rank and file, and he found that he had an excess of 59 men.

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

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 lengths of those sides.

An oblong garden is a half yard longer than it is wide and consists entirely of a gravel walk...

There is a fish whose body weighs 8oz. Tell me how much the whole fish weighs?

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

In a circle whose circumference is 60 units, a chord is drawn forming a segment whose sagitta is 2 units. What is the length of the chord?