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

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

Imagine an urn with two balls, each of which may be either white or black. One of these balls is drawn and is put back before a new one is drawn.

A fish sees a heron looking at him from across a pool, so he quickly swims towards the south. When he reaches the south side of the pool, he has the unwelcome surprise of meeting the heron.

Suppose a lighthouse is built on the top of a rock; the distance between a place of observation and that part of the rock level with the eye is 620 yds.

In a forest, a number of apes equal in number to the square of 1/8 of the total number of apes are noisy. The remaining 12 apes are on a nearby hill irritated. What is the total number of apes in the pack?

A man and his wife drink a barrel of wine at different rates. Find the rate it takes both of them together to drink the wine.

Having been given the sum of two numbers,a, and the difference of their squares,b, find the numbers.

Find the area of the elliptical segment cut off parallel to the shorter axis;

A number of 3 digits in base 7 has the same three digits...

Determine the greatest cylinder that can be inscribed in a given cone.