User talk:105.112.77.224

September 2021
Hello, I'm RacoonyRE. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Least-squares adjustment—because it 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. Racoony RE  Message meContributions 16:21, 25 September 2021 (UTC)