It's one thing to have an encyclopedia and quite another to have software that combines a couple of those. Such software usually gives you more options and better and easier search engine. Check out this software category, read reviews on these education applications, take a pick, and download instantly.
Armenian Dictionary Software Inc.
Recovery Toolbox, Inc.
Purple Room Publishing
ClearVision Technologies, Inc.
Paiboon Publishing Inc. and Word in the Hand Inc.
Clavier arabe co
Eurofield Information Solutions
Ashkon Software LLC
Axfite Pty Ltd Australia