When is Easter? I literally have no clue. Today's Maths at: justifies this ignorance!   In today's programme:we fail to do basic arithmetic;should you use Salad Cream at Easter? Thomas loses his mind. Further reading: So... when is Easter?Check your ethical compass. Subscribe via iTunes. Follow us on twitter @PodcastMathsAt, as well as @ThomasEWoolley and @benmparker. Hannah has one of those new-fangled instagrams.