On: Sqrt(x*x+y*y)+3*cos(sqrt(x*x+y*y))+5 from -20 to 20

[comex]

Well, this graph viewer is fun, but it's only a tiny sliver of what Wolfram|Alpha can do; if Google wants to "toy with" the industry it will require some more serious toying!

[mongol → comex]

Yes agreed. There is so much curated data, and so much experience from mathematics at Wolfram, improving their viewer would not be a big challenge.