On twitter.com a tweet will have listed under it a statement like: “Retweeted by Jim and n others”. I’ve noticed for a while now that the value of n seems incorrect. Idly, I asked on Twitter if people have noticed this. @IgorCarron said that “Jim plus n others” means there should be n+1 people in…

At the August Maths Jam, we in Nottingham were joined by a reporter from BBC Radio Nottingham’s breakfast show, who wanted to know what we were all about. A feature was broadcast last Friday. You can listen to this for a very limited time at: Andy Whittaker, Friday 2nd September. The Maths Jam section starts…