When you need the facts, turn to the 2010 Britannica Ultimate Reference DVD for trusted information written by Nobel laureates, historians, curators, professors, and other noted authorities. From the youngest student to the curious adult to the most advanced researcher, users of every level will find what they need. Three age-appropriate encyclopedias; interactive tutorials in math, science, social studies, and other subjects; homework help; and other essential learning tools make it the most complete reference source available.

Features

105,974 articles/59,887,275 words

75,907 Encyclopdia Britannica

15,994 Britannica Student Encyclopedia

2,767 Britannica Elementary Encyclopedia

81 Britannica Classics

11,225 Britannica Book of the Year (1993-2007)

33,927 photos, illustrations, tables and special comps

2,696 maps

496 video clips

721 sound clips

182 animations and Shockwave

293 World Data Profiles

1,098 Daily Content

166,000 Web links

215,00 Merriam-Webster's Collegiate Dictionary & Thesaurus entries

105,000 Merriam-Webster's Student Dictionary & Thesaurus entries

7,383 indexed timeline entries

4,260 Encyclopdia Britannica

2,635 Britannica Student Encyclopedia

488 Britannica Elementary Encyclopedia

Online Learning Games and Activities

219 Activities Britannica Student Encyclopedia

227 Activities Britannica Elementary Encyclopedia

Thousands of magazine articles and videos online