Re: "should certainly bolster sales in time for the new school term"
Ac,
Here, here...
My lad is getting quite good at mental arithmetic, which isn't too shabby for a five year old.
Funnily enough his mum is a physicist with a masters in nuclear medicine and also did astrophysics 'cos it was interesting, but. SHE STILL CANNOT COUNT!
Always good for a giggle that is