User talk:5.81.40.21

May 2019
Hello, I'm Path slopu. I wanted to let you know that one or more of your recent contributions to Table of keyboard shortcuts 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.  PA TH  SL OP U  10:01, 9 May 2019 (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.

Please refrain from making unconstructive edits to Wikipedia, as you did at Inverter (logic gate). 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. theinstantmatrix (talk) 08:53, 13 May 2019 (UTC)

Please stop your disruptive editing. If you continue to vandalize pages by deliberately introducing incorrect information, as you did at Inverter (logic gate), you may be blocked from editing. theinstantmatrix (talk) 09:01, 13 May 2019 (UTC)

Hello, I'm Horst Hof. I wanted to let you know that one or more of your recent contributions to Data compression 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. Horst Hof (talk) 08:52, 20 May 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.

You may be blocked from editing without further warning the next time you vandalize Wikipedia, as you did at Data compression. Horst Hof (talk) 08:55, 20 May 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.

You have been blocked from editing for a period of 31 hours for persistent vandalism. Once the block has expired, you are welcome to make useful contributions. 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:. Widr (talk) 09:12, 20 May 2019 (UTC)