I shouldn't be this achy after one days swimming and iceskating. I suppose I've spent all holidays at a computer or at textbooks, with occasional leisurely walks of dog. Maths *is* bad for your health.
Last night was nice, it's good to catch up with old friends (and realise that everyone else's life is so much more exciting than my own... if just as chaotically unplanned...) Today I have done battle with gnuplot. It appears to be a 1-1 draw at the moment... I've got what I wanted out of it, but it has taken my entire day (grimace)
So much for my plan of doing some real maths at last... :-(