Whoah! I've used Mathematica a lot and I had high expectations for Wolfram Alpha, but this... was just incredible. Thank you so much for posting it. I wonder i

Whoah! I've used Mathematica a lot and I had high expectations for Wolfram Alpha, but this... was just incredible. Thank you so much for posting it. I wonder if they'd consider opening the system up for others to develop 'plug-ins' covering more knowledge areas.