find it on the R.H.S (yes i am too bored to type Right Hand Side, err, I just typed it, anyhu XD)
Update: Its removed !
Its the Wolfram|Alfa computation engine.. yes yes i know many of you are like o_O err wtf? so i'll not do any explanation and just quote wikipedia
"Wolfram|Alpha (also written WolframAlpha and Wolfram Alpha) is an answer-engine developed by Wolfram Research. It is an online service that answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer as a search engine might."
just experiment and have fun :) :)
for some more details just check out this or this