User talk:116.206.9.38

April 2018
Hello, I'm Kinetic37. I wanted to let you know that one or more of your recent contributions to Telephone number (mathematics) have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help Desk. Thanks. Kinetic37 (talk) 19:23, 30 April 2018 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.

October 2023
Hello, I'm Materialscientist. I noticed that you made a change to an article, University of Vienna, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Materialscientist (talk) 08:43, 18 October 2023 (UTC)