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
- Going around gardens!
- Introduction to the Twitchers
- Wordplay
- He Had a Little Sticker
- Draw Along
- Sue's presentation
- Draw along
- Questions
- Twitch reading
- Gil's bug hospital

















