Wolfram Alpha is an amazingly intelligent search engine/parser/magic genie, for anything mathematical in particular. I have using it quite regularly, not quite as a substitute for Google yet, but even something as unthinkable as that could happen.
In the academic realm, it is a killer resource.
Here are just a few illustrative screenshots from my search today. You may have to zoom in a little bit for clarity.
2 comments:
How do one know about the authenticity of these search results?
from what i understand this search engine does not aggregate results from the web (like google), but uses in-house databases. i would presume its accuracy to be greater than or equal to a google search. of course you could question the results that mathematica throws up...
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