June 2010 edit
Welcome to Wikipedia. The recent edit that you made to the page Symbolic computation has been reverted, as it appears to be unconstructive. Please use the sandbox for testing any edits; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing for further information. Thank you. SeaphotoTalk 06:20, 23 June 2010 (UTC)
March 2011 edit
Welcome to Wikipedia. It might not have been your intention, but your recent edit removed content from The Birth of Venus (Botticelli). When removing content, please specify a reason in the edit summary and discuss edits that are likely to be controversial on the article's talk page. If this was a mistake, don't worry; the content has been restored, as you can see from the page history. Take a look at the welcome page to learn more about contributing to this encyclopedia, and if you would like to experiment, please use the sandbox. Thank you. MANdARAX • XAЯAbИAM 18:31, 30 March 2011 (UTC)
October 2015 edit
Hello, I'm Skarebo. I wanted to let you know that I reverted one of your recent contributions —the one you made with this edit to Analysis of variance— because it didn’t appear constructive to me. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Skarebo (talk) 06:10, 5 October 2015 (UTC)
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