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
- Sue's early influences
- School Questions
- Where The Heart Should Be
- Becoming an Author
- Discussing illustration
- Themes of The Infinite
- Introducing Sav Akyuz
- Brian’s writing and favourite books
- Working with an illustrator
- Questions from schools

















