Hark! The Herald Angels Sing

In The Basel Problem we saw that Euler answered the question by showing that the sum of the reciprocals of the square numbers is equal to . That is The partial sums slowly converge to [more…]

I’ve posted these images before, but for a bit of Christmas fun I’ve added some titles. Hope that you all have a very merry Christmas and a great new year. Cheers.   © text & [more…]

First correct entry out of ‘the hat’ wins a copy of A Bear’s Diary by Tachybaptus. Email entries to me by 6.00 pm Sunday, subject ‘Crossword’. Contact here on email Last week’s winner of a [more…]