Not Quite Closed Posted on May 31, 2014 by Maggie Beck 0 Elegant curves and an intriguing root structure. Not quite a closed form, though. This might irk some geometry teachers that I know. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to share on Pinterest (Opens in new window) Pinterest Like Loading... Related