# Archimedes' Infinite Sum

The sum

was one of the first infinite series to be calculated in the history of mathematics. Archimedes calculated the sum circa 250 BC. This activity helps you understand the calculation in a dynamic way.

The sum

was one of the first infinite series to be calculated in the history of mathematics. Archimedes calculated the sum circa 250 BC. This activity helps you understand the calculation in a dynamic way.