In The Bleak Midwinter

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…]

Spending Christmas at Christmas with Christmas sounds a very Puffin thing to do. First of all, we’ll have to decide when to meet. The eagle-eyed among you may point out that we’ve missed our chance, [more…]

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…]