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<form action="<?php print($_SERVER['PHP_SELF']); ?>" method="post"><legend>NUMBER OF ITERATIONS</legend><p><input type="text" name="num_iterations" /></p><legend>CURRENT POPULATION</legend><p><input type="text" name="population" /></p><legend>RATE</legend><p><input type="text" name="rate" /></p><legend>RATE INCREASE</legend><p><input type="text" name="rate_increase" /></p><legend>RATE LIMIT</legend><p><input type="text" name="rate_limit" /></p><p><input type="submit" name="submit" value="NUBCAKE" /></p><?phpif (isset($_POST['submit'])) {?><table><?php	for ($rate = $_POST['rate']; $rate <= ($_POST['rate_limit']); $rate += $_POST['rate_increase']) {	print('<tr><td width="100"><strong>year</td><td width="100"><strong>rate</td><td width="100"><strong>population</td></tr>');	$population = $_POST['population'];		for ($i = 1; $i <= $_POST['num_iterations']; $i++) {	$population += $rate*$population;	print('<tr><td>'. $i .'</td><td>'. $rate .'</td><td>'. $population .'</td></tr>');	}	}}?>