Katie Steckles doesn't understand why any mathematical phenomenon would ever have a not-silly name

Football, telly and shape-shifting houses find their way into the prof's postbox this issue.

Coffee, Brexit and badgers are among the topics of discussion in this issue's Dear Dirichlet advice column

Village fetes, Brexit and flowers are among the topics of discussion in this issue's Dear Dirichlet advice column

As the festive season strikes again, we'll be dishing out more fiendish puzzles – this time with prizes!

Prof. Dirichlet tackles political arguments and werewolves in answering your personal problems