Wolfram| Alpha is search engine for Engineers. Its way better than Google as it is able to provide direct answers to questions rather redirecting you various other websites. Questions are not restricted to mathematics!
Do try it out!, you will be mind blown by its capability.
Visit : http://www.wolframalpha.com
Do reply how was your experience....
Somesh - V+ Team Junior Moderator - Want for other subjects also? CLICK HERE