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. How Catherine works
    00:59
    How Catherine works
  10. There’s Nothing Faster Than a Cheetah
    03:53
    There’s Nothing Faster Than a Cheetah
  11. Questions and Answers
    06:15
    Questions and Answers
  12. Questions from schools
    08:43
    Questions from schools
  13. Discussing illustration
    03:51
    Discussing illustration
  14. Questions from schools
    05:40
    Questions from schools
  15. The hero birds
    03:03
    The hero birds
  16. School days
    03:57
    School days
  17. Introducing us to new historical figures
    02:35
    Introducing us to new historical figures
  18. Introducing Cookie
    04:11
    Introducing Cookie
    19. Now playing
    Up next