The annual single user subscription fee for formuPack Professional Edition is $59.00.  In addition to the many advanced features, you also get priority application and PDF form support. 

To purchase one or more licenses click on the Buy Now button, which will take to the PayPal site.  You can either use your PayPal account or a major credit card to complete the transaction. You will then receive the Professional Edition license file via email, which will unlock the additional features in the application.