User talk:202.90.131.66

October 2017
Hello, I'm Hamtechperson. I wanted to let you know that I reverted one of your recent contributions —the one you made with this edit to Event (probability theory)— because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Ham tech  person  06:43, 9 October 2017 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did with this edit to Event (probability theory). Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you. Ham tech  person  06:44, 9 October 2017 (UTC)

Recent edit to Guan Xiaotong
Hello, and welcome to Wikipedia. I noticed that you made a change to an article, Guan Xiaotong, but you didn't provide a reliable source. It's been removed for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you! Steve Quinn (talk) 07:05, 11 January 2018 (UTC)