In The Bleak Midwinter

The third Sunday of Advent – #Joy.   A traditional English carol from the 16th century or earlier.   © OldTrout  

Another year and we still haven’t left the EU! plus ça change, plus c’est la même chose. Also another year of divide and conquer. It is surprisingly effective. TPTB shout squirrel and many of us [more…]

Euler’s totient function counts the number of positive integers up to that are relatively prime to , where is considered to be relatively prime to all .  These numbers are called the totatives of . [more…]