I bet for: no, never. In fact, since its appearance, I have heard just a little about it. I know just a few people who use it, and I just tried it once or twice

I bet for: no, never. In fact, since its appearance, I have heard just a little about it. I know just a few people who use it, and I just tried it once or twice... And it didn't give me the answer I wanted. Looks like it is only useful for plotting hearts: http://www.wolframalpha.com/input/?i=first+heart+curve http://www.wolframalpha.com/input/?i=first+heart+curve