There is a four sided field.

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There is a four sided field.

Three men wish to buy a horse but none have a sufficient amount of money for the purchase; to do so they must borrow from each other. How much money does each man have and what is the price of the horse?

Divide 100 loaves of bread among 10 men including a boatman, a foreman, and a doorkeeper, who receives double portions. What is the share of each?

The third part of a necklace of pearls, broken in a lover's quarrel, fell to the ground...

A speculator bought stock at 25% below par and sold it at 20% above par. He gained $1560. How much did he invest?

Images from a 16th century text about the astrolabe and its uses

The expression 0^0 is usually called an indeterminate form. This article details the history of the meaning of this expression and concludes that, in some cases, we should evaluate it as 1.

A new sourcebook containing the works in their original form along with a translation and a brief commentary.

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

How long does it take a single man to do work when...