Before we start to learn about our dictionary, note some useful site:
For free CBSE text-book: www.ncert.nic.in/textbooks/index.htm
For multimedia information: www.howstuffworks.com
For Flash Animations: http://www.macromedia.com/
Now We can Start, choose your Subject:
1. English
2. Physics
3. Chemistry
4. Mathematics
5. Biology
6. History
7. Geography and Civics
8. Engineering
9. Commerce
10. Arts
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