Contact, feedback and requests.

YOUR ATTENTION PLEASE!

We receive too many messages with wrong E-mail addresses!    E-mail is the only way we can communicate with you,

                            please make sure you have provided the correct e-mail address.

In general, start code requests are processed and mailed to you within 24 hours. Some users complain that a code is not received. Please check your SPAM box!!

After closing this browser, the WinRFCalc welcome window will close automatically.