This program is distributed as try-before-you-buy. This means that we have made the software available to you for free evaluation. You are entitled to evaluate the software for up to 30 days without obligation to pay. After 30 days, if you decide to keep the software, you must register your copy with us. There are also a number of 'incentives' for registering it:

• Removes the registration and purchase dialogs.
• Removes the nag screen
• You can use the software after the trial period.
• You can use"Save" and "Save As...".
• Customer support
• You will receive word about updates and new releases.
• Free upgrade to any minor version (1.x.x.)

How to register / purchase:

To purchase the software you should point your web browser to
http://www.mathrevolt.com/purchase.html then select the number of licenses you wish to purchase and finally make the money transaction.

Note: all payments are processes by well known trustworthy ShareIt! (or Swreg) service. That means we will never have access to your credit card information! You may order online via the internet, or via the telephone either in Europe or the U.S., by fax, post, or email. If paying by credit card, you can submit your card number by secure http-server, by fax, or by phone. Within a few days after the payment transaction has been processed, we will email you a registration code.