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
- Book Introduction
- Inspirations and Escaped Terrapin
- Wishes
- Questions from schools
- Questions
- Daisy on the Outer Line
- Manjeet’s writing process
- School Questions
- A question from Twitter

















