## When is binary arithmetic not arithmetic?

Binary arithmetic is an ancient mathematics system used for calculating the square root of a number.

But the system has since evolved into a more complex mathematical technique called “arithmetic sequences” that can be used to solve mathematical problems.

This article is based on a talk given at the 2014 Cambridge Mathematics Festival.

For more information on Cambridge Mathematics, visit: www.cambridge.ac.uk/museum.php.

This programme is produced by the National Centre for Scientific Broadcasting and the BBC World Service.