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
- Reading The Undefeated
- Questions from schools
- The importance of libraries
- Questions from the audience
- Draw the Light Ship
- Characters
- Chocolate Cake
- More questions for Sav
- Reading from Race to the Frozen North
- Did anyone encourage Ross MacKenzie to write books?

















