<![CDATA[RSS Feed]]>https://ecency.comhttps://ecency.com/logo512.pngRSS Feedhttps://ecency.comRSS for NodeSun, 16 Aug 2026 03:07:42 GMT<![CDATA[Polar coordinate transformations #Photofeed]]>https://ecency.com/@hyperbob/polar-coordinate-transformations-steemitphotochallengehttps://ecency.com/@hyperbob/polar-coordinate-transformations-steemitphotochallengeWed, 28 Feb 2018 13:42:30 GMT