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<!--
p.48
session3.php
-->
<?php session_start(); ?>
<FONT color=blue size=4>
<?php
$op = $_POST['op']; // "add", "sub", "mul", "div"
$num1 = $_SESSION['v1']; // value from 1st page
$num2 = $_SESSION['v2'];
if($op == "+")
{ $ans = $num1 + $num2;
print "$num1 + $num2 = $ans";
}
else if($op == "-")
{ $ans = $num1 - $num2;
print "$num1 - $num2 = $ans";
}
else if($op == "*")
{ $ans = $num1 * $num2;
print "$num1 * $num2 = $ans";
}
else if($op == "/")
{ $ans = $num1 / $num2;
print "$num1 / $num2 = $ans";
}
else if($op == "^")
{ $ans = pow($num1, $num2);
print "$num1 ^ $num2 = $ans";
}
?>
<HR>
<A HREF=CalculatorForm.html> Calculator </A> | <A HREF=index.html> Home </A>
</FONT>