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
- Persistence
- A reading from Elizabeth
- Questions from schools
- About Our Tower
- Questions from schools
- Questions from schools
- Wordplay
- Kiran’s writing process
- The World of the Crossing
- Studio questions

















