Pieter Bruegel the Elder [Public domain], via Wikimedia Commons
OldTrout 2017
Mathematics
Wilson’s Theorem
Wilson’s Theorem is a test for primality. It is inefficient for large numbers since factorials () grow very fast. Nevertheless, it has its uses because of its simplicity. It was conjectured by Wilson and published [more…]
Mathematics
On Punctuation!
Apparently, some subset of younger people are upset and intimidated about the use of full stops in text and other messages. I am not sure what they would think about the ellipsis, … , or [more…]
Arts
Going Postal’s Monster Christmas Quiz
What do you or your family know about Christmas, and how it’s been celebrated and portrayed over the years? 120 Christmas questions! Doing the whole quiz in one go might be a bit much for [more…]