Google Love..,New Graph Feature of google

News from Google now users can plot graphs of complicated functions simply by bashing them straight into the Google search box.
Simply enter the following function in Google search box and press enter

(sqrt(cos(x))cos(200 x)+sqrt(abs(x))-0.7)(4-x*x)^0.01, sqrt(9-x^2), -sqrt(9-x^2)

which will produce lovely graph



for such more function go link below
https://www.google.com/search?ie=UTF-8&q=x%2F2%2C+%28x%2F2%29^2%2C+ln%28x%29%2C+cos%28pi*x%2F5%29