That's sweet. I especially like the use of <=> in 
$guess += ( $target <=> $guess ) * $i;

[download]
to choose which direction to move.

-QM
--
Quantum Mechanics: The dreams stuff is made of

In reply to Re^2: OT: Finding Factor Closest To Square Root by QM
in thread OT: Finding Factor Closest To Square Root by QM

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