User talk:Simonduo

Welcome to Wikipedia. A page you recently created, Curvature filter, may not conform to some of Wikipedia's guidelines for new pages, so it will be removed shortly (if it hasn't been already). Please use the sandbox for any tests, and consider using the Article Wizard. For more information about creating articles, you may want to read Your first article. You may also want to read our introduction page to learn more about contributing. Thank you. See WP:NOR. NawlinWiki (talk) 17:04, 4 August 2015 (UTC)