Pieter Bruegel the Elder [Public domain], via Wikimedia Commons
OldTrout 2017
Mathematics
Commutativity
A binary operation is said to commute if the order of the operands does not alter the result. In the real numbers, , the following commutative laws hold : for all for all Although these [more…]
Hobbies
Mum’s Crochet Work
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…]
Arts
The Curious Tale of Colonel Ellis & the Christmas Oranges
In 1908 Colonel William Verner Ellis (*) had long been retired from the British Indian Army and an adventurous & distinguished career playing “The Great Game”. His restless nature found him one grey winter’s day, [more…]