If I have not posted about this then it may be cruel . Yes, I was recently in the site wolfram . The company wolframs has been started around 20 years. I have really missed without knowing about the site wolfram . Yes , if you have not heard about this before then you too .

When I was learning integration I may have got confused whether my answer was right or wrong . But with wolfram you can integrate . You will be getting the result . How easy isnt ?

Wolfram is really a web site for science and mathematics . It will give you a graphical representation for your queries.

I searched movie name , got answers great  .

I am attaching some links and pictures. Go and explore the wonderful site .

http://www.wolframalpha.com/

http://www.wolfram.com/

From the above two site you can explore and get more links . I am keeping only some more , for if you need you wil really explore. I am sure .

http://integrals.wolfram.com

http://library.wolfram.com/

http://functions.wolfram.com/

http://tones.wolfram.com/