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
- Using Scotland as a setting
- The World of the Crossing
- Books and confidence
- Emily's Books
- Phil’s presentation
- Slugs and Brain Pâté
- More Cookie Books
- Questions from schools
- Have a go!
- The Great Storm Whale reading

















