User talk:2607:FEA8:4F9F:FD3A:28E7:42C4:2DBE:B427

May 2018
Please refrain from attempting to make unconstructive edits to Wikipedia, as you did at Cartesian coordinate system. Your edits appear to constitute vandalism and have been [ disallowed by an edit filter.] If you would like to experiment, please use the sandbox. OhKayeSierra (talk) 23:10, 23 May 2018 (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.