Just found this thanks to a late night diff eq. problem set: http://blog.wolframalpha.com/2013/04/01/introducing-the-wolframalpha-handwritten-knowledge-engine/

Just found this thanks to a late night diff eq. problem set: http://blog.wolframalpha.com/2013/04/01/introducing-the-wolframalpha-handwritten-knowledge-engine/ http://blog.wolframalpha.com/2013/04/01/introducing-the-wolf...