This Combo Pack consist of CD - ROMs for Physics, Chemistry, Maths and Biology:Simple and Effective Language Crafted by Experts, Animated Diagrams to Make Learning Easier, Instant Glossary for Quick Reference on Important Terms and Definitions, Exclusive Voice-over Feature Explaining Each Page of the Chapter , Interactive Questions with Scoring System for Testing Your Knowledge, An Exclusive Feature to Test Yourself with Speed Questions, Help Section Provides all the Required Help to the User , Systematic Approach to the Chapters, Tips and Tricks for all the Age Groups,Model Test Papers for Practice, Useful for ICSE and Other Boards