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
- A question from Freya.
- Dragonese
- The World of the Crossing
- Did anyone encourage Ross MacKenzie to write books?
- Questions from schools
- Writing the Twitchers
- Cookie’s Brain Busting Quiz
- Health and Medicine
- Finding the bear
- Questions from the audience

















