<?php session_start(); ?>
<FONT color=blue size=4>
<?php
	$op = $_POST['op'];
	$num1 = $_SESSION['v1'];
	$num2 = $_SESSION['v2'];
	print "The num1 is $num1<BR>";
	print "The num2 is $num2<BR>";
	print "The operator is $op <HR>";
	if($op == "add")
	{
		$ans = $num1 + $num2;
		print "$num1 + $num2 = $ans";
	}
	else if($op == "sub")
        {
                $ans = $num1 - $num2;
                print "$num1 - $num2 = $ans";
        }
	else if($op == "mul")
        {
                $ans = $num1 * $num2;
                print "$num1 * $num2 = $ans";
        }
	else if($op == "div")
        {
                $ans = $num1 / $num2;
                print "$num1 / $num2 = $ans";
        }
	 else if($op == "modulus")   
        {
                $ans = $num1 % $num2; 
                print "$num1 % $num2 = $ans";
        }
	 else if($op == "power")   
        {
                $ans = pow((float)$num1,(float)$num2); 
                print "$num1^$num2 = $ans";
        }
?>
<P>
<P>
<A HREF=assignment4b.html>Back to Calculator</A><P>
</FONT>