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
- Question time
- Sarah’s route into fiction
- Characters
- Kiran’s writing process
- More questions
- Inspirations and Escaped Terrapin
- Working with an illustrator
- Questions from schools
- About Our Tower
- Themes of The Infinite

















