DTGorm

<form id="form1" name="form1" method="post" action="<?= $_SERVER['PHP_SELF'] ?>"><input name="quality" type="text" size="5" />&nbsp;<input name="Submit" type="submit" value="Calculate" /></form><p>&nbsp;</p><?if(isset($_POST['quality'])) {	$quality = $_POST['quality'];	$qStart = 60;	//Starting Pot Quality	$qEnd = 400;	//Ending Pot Quality	$qDifference = $qEnd - $qStart;		$mStart = 2;	//Starting Multiplier	$mEnd = array("5" => "Cartel","6.5" => "Ally","8" => "Public");	echo 'Quality: ' . $quality . '<br/>';		foreach($mEnd as $k => $v) {		$mDifference = $k - $mStart;		$ratio = $mDifference / $qDifference;	//Cost Per Extra Quality Point					$value[] = round(((($quality - $qStart) * $ratio) + $mStart) * $quality);	}	print_r($value);}