Talk:Heart Curve/Formulation 2

I couldn't get a heart out of this on Wolfram Alpha. http://tinyurl.com/hrhe55z. Though I've had WA produce incorrect graphs before. --GFauxPas (talk) 12:57, 28 December 2016 (EST)

Update:  produces the same graph as WA. No heart :( --GFauxPas (talk) 13:51, 28 December 2016 (EST)