This article -useful for teachers and learners - gives a short account of the history of negative numbers.

This is the second article in a two part series on the history of Algebra from about 2000 BCE to about 1000 CE.

Who first used fractions? Were they always written in the same way? How did fractions reach us here? These are the sorts of questions which this article will answer for you.

Read all about the number pi and the mathematicians who have tried to find out its value as accurately as possible.

The Egyptians expressed all fractions as the sum of different unit fractions. Here is a chance to explore how they could have written different fractions.

Can all unit fractions be written as the sum of two unit fractions?

The Egyptians expressed all fractions as the sum of different unit fractions. The Greedy Algorithm might provide us with an efficient way of doing this.