Why is there an umlaut on "Polar coordinates"?
Yeah, what's up with that? 128.39.149.127 (talk) 13:48, 5 November 2012 (UTC)
Why is there an umlaut on "Polar coordinates"?
Yeah, what's up with that? 128.39.149.127 (talk) 13:48, 5 November 2012 (UTC)Reply
