Close menu
BBC Scotland
Authors Live

Audio & Video

You must enable JavaScript to play content
Beat the Calculator
View More From Kjartan Poskitt
Kjartan Poskitt proves what looks complicated can be simple.
  1. Beat the Calculator
    02:54
    Beat the Calculator
  2. 1089
    06:56
    1089
  3. Perfect pentagon
    04:14
    Perfect pentagon
  4. Fabulous flexagon
    02:05
    Fabulous flexagon
  5. Making Cubes
    05:26
    Making Cubes
  6. Prime number pizza
    04:24
    Prime number pizza
  7. Numerical masterclass
    03:20
    Numerical masterclass
  8. Q&A with Kjartan Poskitt
    05:19
    Q&A with Kjartan Poskitt
  9. Have a go!
    01:10
    Have a go!
  10. Dragonese
    01:19
    Dragonese
  11. A question from Freya.
    01:00
    A question from Freya.
  12. Favourite book
    00:45
    Favourite book
  13. Who is Josh Bell?
    01:03
    Who is Josh Bell?
  14. Box Yourself
    03:44
    Box Yourself
  15. Elle and the characters of The Infinite
    04:35
    Elle and the characters of The Infinite
  16. Birdspotting Quiz
    05:46
    Birdspotting Quiz
  17. Reading from The Crossing
    04:47
    Reading from The Crossing
  18. Reading from The Boxer
    01:42
    Reading from The Boxer
    19. Now playing
    Up next