User talk:117.240.185.86

June 2019
Hello, I'm Dirkbb. I wanted to let you know that one or more of your recent contributions to Optical microscope 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. Dirkbb (talk) 15:22, 8 June 2019 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.

October 2023
Hello, I'm TheWikiholic. I noticed that you added or changed content in an article, Mahua Moitra, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at referencing for beginners. If you think I made a mistake, you can leave me a message on my talk page. Thank you. TheWikiholic (talk) 06:03, 20 October 2023 (UTC)

May 2024
Hello, I'm Air on White. I wanted to let you know that one or more of your recent contributions&#32;to Chi-squared test 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 or the Help desk. Thanks. Air on White (talk) 06:28, 8 May 2024 (UTC)