#!/bin/sh

exec awk '
BEGIN {
	print "# Usage  : <f_0> <f_1> <f_2>";
	print "$ Result : Q = f_0 / ( f_1 - f_2 )";
}

{ printf "%g\t%g\t%g\t%g\n", $1, $2, $3, $1 / ($2 - $3) }
' $*