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<?php session_start(); ?>
<CENTER>
<FONT color=blue size=4>
Caculator
<HR>
<?php
$pass = $_SESSION['calc'];
$_SESSION['calc'] = $pass;
if($pass != "hw5")
print "Incorrect password.";
else
{
$n1 = $_POST['num1'];
$n2 = $_POST['num2'];
$_SESSION['v1'] = $n1;
$_SESSION['v2'] = $n2;
print "A is: $n1<p>";
print "B is: $n2<p>";
?>
<HR>
<FORM action=sessionC4.php method=post>
Choose operation: <BR>
+ <INPUT type=radio name=op value=add checked> <BR>
- <INPUT type=radio name=op value=sub> <BR>
* <INPUT type=radio name=op value=mul> <BR>
/ <INPUT type=radio name=op value=div> <BR>
a%b <INPUT type=radio name=op value=mod> <BR>
a^b <INPUT type=radio name=op value=pow> <BR>
<P>
<INPUT type=submit value=Submit>
<INPUT type=reset value=Reset>
</FONT>
</CENTER>
<?php
}
?>