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
- About Our Tower
- Social media and influencers
- Question time
- Box Yourself
- Cookie’s Brain Busting Quiz
- Keep going!
- Reading from The Infinite
- Elle and the characters of The Infinite
- Alastair’s influences
- Steven Lenton's illustrations

















