User talk:2600:8800:7101:B100:7CDA:134B:70F9:BC92

January 2024
Hello, I'm Shaws username. I wanted to let you know that one or more of your recent contributions&#32;to Zerah Colburn (mental calculator) 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 or the Help desk. Thanks. Shaws username (talk) 23:15, 30 January 2024 (UTC)