Wolfram|Alpha

This wide-ranging ready reference tool provides access to a phenomenal amount of data and information through simple factual searches.
This wide-ranging ready reference tool provides access to a phenomenal amount of data and information through simple factual searches.
The Early World of Learning was created for preschoolers and children in the early elementary grades. Developed with the help of experts in early childhood education, the site provides playful and interactive features through a visual encyclopedia, colorful games, a Welcome To Reading feature, and a plethora of videos, photos, and activities.
A powerful reference tool designed to meet the research needs of users at the high school level and above, World Book Advanced is chock-full of facts and features to help users conduct research projects. The site features the entire World Book Encyclopedia, an atlas, a dictionary, world newspapers, and local and country research guides. Advanced integrates all primary and secondary source databases and up to 18 different content types in a single search.
Make learning more fun! World Book Kids was developed especially for younger users with a wealth of engaging games, science projects, and activities. It features an intuitive user interface, simple navigation and browsing capabilities, and thousands of easy-to-read articles packed with stunning illustrations, videos, and interactive maps.
Tailored for elementary and middle school users, World Book Student is a comprehensive site that includes a collection of content, features, and tools specifically developed to make online knowledge accessible and easy to integrate into school assignments. The site features the entire World Book Encyclopedia with high-interest content written at an age-appropriate level to engage students in learning. Student is loaded with practical features to help users develop their research skills and enhance their projects.
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