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
- A question from Blake
- About Our Tower
- School days and writing
- Questions from Linlithgow Academy
- The Undefeated
- Slugs and Brain Pâté
- Question and Answer - Part 2
- Wordplay
- How to Draw Granville's Body
- Becoming an Author

















