User talk:117.192.200.218

January 2022
Hello, I'm Bingobro. I wanted to let you know that one or more of your recent contributions&#32;to Wave equation 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. Bingo bro  (Chat)  15:41, 2 January 2022 (UTC)