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
- More Cookie Books
- Mental Health
- A question from Twitter
- The Undefeated
- Introducing Cookie
- Why is it important to learn Scots and Gaelic?
- Desert island books
- How Catherine works
- A sudden idea
- Writing – when why how?

















