This is an old revision of this page, as edited by Yul B. Allwright(talk | contribs) at 03:30, 20 August 2020(started help page with modified table from wikiproject mathematics). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 03:30, 20 August 2020 by Yul B. Allwright(talk | contribs)(started help page with modified table from wikiproject mathematics)