User talk:193.34.237.203

January 2021
Hello, I'm Donald Albury. I wanted to let you know that one or more of your recent contributions&#32;to Subsidiary 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 Teahouse. Thanks. - Donald Albury 21:44, 31 January 2021 (UTC)

 Anonymous users from this IP address have been blocked from editing for a period of 48 hours for abuse of editing privileges. If you think there are good reasons for being unblocked, please read the guide to appealing blocks, then add the following text below the block notice on your talk page:. Donald Albury 21:48, 31 January 2021 (UTC)
 * If this is a shared IP address and you are an uninvolved editor with a registered account, you may continue to edit by logging in.

Feb 2021
Please refrain from making unconstructive edits to Wikipedia, as you did at Discrete cosine transform. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. --Salix alba (talk): 06:41, 24 February 2021 (UTC)

August 2021
Hello, I'm Rdp060707. An edit you recently made to Periodical literature seemed to be a test and has been removed. If you want more practice editing, the sandbox is the best place to 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. Thank you. Rdp060707&#124;talk 09:55, 10 August 2021 (UTC)