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
- Making the change
- Gil's bug hospital
- Balloons!
- Questions from West Calder High School
- Tom on his illustrations
- Questions from schools
- My Heart
- Final thoughts
- Cookie’s Brain Busting Quiz
- Writing – when why how?

















