http://www.perlmonks.org?node_id=166239


in reply to computing square root by hand -- no sqrt (golf, beginner)

44 using both arguments, but no \n. Add 3 for -l to get it.
0        1         2         3         4
12345678901234567890123456789012345678901234
$b=pop;$b=($b+$ARGV[0]/$b)/2for 0..9;print$b

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