****ing incredible:
http://ibmathsresources.com/2014/09/...uperman-maths/
http://mathworld.wolfram.com/BatmanCurve.html
This is done by using a search engine called Wolfram Alpha:
https://en.wikipedia.org/wiki/Wolfram_Alpha
Check it out in action:
https://www.wolframalpha.com/input/?i=batman%27s+logo
The "Batman equation" in general and how it's done:
http://i.imgur.com/CNy9J.jpg
https://www.reddit.com/r/learnmath/c...s_how_does_it/
https://www.reddit.com/r/pics/commen..._math_my_math/