Mathematics & porting

[@simon.easton]

Great to see this TR7 out at Bolnhurst at the weekend, got me interested to go back and watch what you had done on it.

[@GemmaGough-wg1pr]

Love this one! Microphone makes a huge difference! Nicely edited too with music, and informative 😀 good job guys!

[@chelsiebrookes2470]

Thanks so much!