<html>
<head>
<title>
Tempurature Conversion
</title>
</head>
<body>
<form>
<?
$fahrenheit=$_REQUEST [fahrenheit];
$celcuis=round(5/9*($fahrenheit-32),1);
echo " The equivalent of ".fahrenheit." Fahrenheit degrees is ".$celcuis." Celcuis degrees.";
?>
</form>
</p>
</body>
</html>