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.

What is the perpendicular height of a cloud when its angles of elevation were 35 degrees and 64 degrees as taken by two observers at the same time...

There is a garden is the shape of a rhombus whose side is 768.52 feet. Within the garden is an inscribed square flower bed whose side is 396 feet. What is the area of the garden?

When knowing the sum of their ages along with another equation, determine how old a father and son are.

The purchase price for an apple and an orange is 100 yen. When n oranges and n + 3 apples are bought the price is 520 yen. Find the number n of oranges and the price of one orange.

A California miner has a spherical ball of gold, 2 inches in diamter, which he wants to exchange for spherical balls 1 inch in diameter. How many of the smaller spheres should he receive?

Having been given the perimeter and perpendicular of a right angled triangle, it is required to find the triangle.

The sum of two numbers is 10 and their product is 40. What are the numbers?

Determine the dimensions of the least isosceles triangle ACD that can circumscribe a given circle.

In baking a hemispherical loaf of bread of 10" radius, the crust was everywhere of an equal thickness, and the solidity of the crust was equal to half the solid content of the whole loaf. What were the dimensions of the interior soft part?