flickr but haven't the time and energy to manage to be an active blogger. Sorry not to have been visiting your blogs.
My best wishes to you all!
Update: Comments are back on and I'm back!
Enigma 448: Spoiling the division - From New Scientist #1599, 11th February 1988 [link] In the following division sum, some of the digits are missing, and some are replaced by letters. The sa...