Can't get Exec-PHP to work with WordPress 3.3

Hello,
I am new here…
I am trying to get Exec-PHP to work with WordPress 3.3 but it doesn’t work.
I put the following test PHP code in a page content:
<?php echo “This is the Exec-PHP ‘Hello World’”; ?>
but when you view the page it shows the test code as-is (with <?php…)

I tried to follow the Exec-PHP installation and configuration guide, but since it was written for WordPress 2.7, there are some setting which are just not applicable for 3.3.

Please advise!
Thanks in advance,
Tom NYC