Get a Key
The Clipboard Calculator is a small program sold in large volume. Therefore, the price is very low.
You can purchase a key from the link below.
Register the Key
When you purchase a key, you will get an email with the registration key.
Enter the registration form by double clicking the icon in the system tray. When you see the options dialog, you click the Register button in the lower lefter corner. That will open the dialog where you can enter your new key.
Enter the key and your name before you click OK. Now your program is registered and the demo limitation is removed.