Audio & Video
Beat the Calculator
Kjartan Poskitt proves what looks complicated can be simple.
- Beat the Calculator
- 1089
- Perfect pentagon
- Fabulous flexagon
- Making Cubes
- Prime number pizza
- Numerical masterclass
- Q&A with Kjartan Poskitt
- Questions from schools
- Ideas for books
- Diving Poem
- The right words in the right order
- Noi and his family
- Book Introduction
- Health and Medicine
- How to Draw Granville's Body
- Inspiration
- Introduction to the Twitchers

















