User talk:Sinceday1

December 2017
Please refrain from making unconstructive edits to Wikipedia, as you did at Plus-minus sign. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you. Jack Frost (talk) 09:48, 11 December 2017 (UTC)