I've turned comments off on this blog as I'm getting quite a lot of spam. I've been able to keep on posting on 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 777: An odd multiplication
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From New Scientist #1932, 2nd July 1994 [link] In the multiplication above,
the digits have been replaced by letters and asterisks. Different letters
stand...