I agree with 1.5 of your main 2 points - I must admit that my personal jury is still out on ?: vs. if/else/etc. - and I definitely agree that the tutorial needs expanding to include, e.g., precedence for 'and' and '&&', etc. if the title is to be appropriate.
Thanks for the comments - not harsh at all.
map{$a=1-$_/10;map{$d=$a;$e=$b=$_/20-2;map{($d,$e)=(2*$d*$e+$a,$e**2
-$d**2+$b);$c=$d**2+$e**2>4?$d=8:_}1..50;print$c}0..59;print$/}0..20
Tom Melly, pm@tomandlu.co.uk
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