Welcome to Wikipedia. Although everyone is welcome to make constructive contributions to Wikipedia, at least one of your recent edits, such as the one you made to Goodstein's theorem, did not appear to be constructive and has been reverted or removed. Please use the sandbox for any test edits you would like to make, and take a look at the welcome page to learn more about contributing to this encyclopedia. Thank you. Owen× ☎ 20:19, 16 December 2007 (UTC)
Welcome, and thank you for experimenting with Wikipedia. Your test on the page miniSD Card worked, and it has been reverted or removed. Please take a look at the welcome page to learn more about contributing to this encyclopedia. If you would like to experiment further, please use the sandbox. Thank you. ‑ MANdARAX XAЯAbИAM (talk) 06:01, 20 June 2008 (UTC)
This is the discussion page for an IP user, identified by the user's IP address. Some IP addresses change periodically, and may be shared by several users. If you are an IP user, you may create an account or log in to avoid future confusion with other IP users. Registering also hides your IP address.