## You can multiply and divide very large numbers, and even find square roots and cube roots without using a calculator!!!

## You do not need to know your tables to use Napier's Bones.

## They were popular around the world for hundreds of years.

## Napier's Bones are the best known of the Maths Devices that John Napier Developed.

## 1 Have a look at the short introduction videos.

## 2 Print out some 'Bones' to build, or the simpler Napier's Bones Strips.

## 3 Try the examples, Don't worry you can always 'See Spike Do Them'.