Education and Reference

American Heritage Dictionary 5th edition - Houghton Mifflin Harcourt

Free
Celebrating the relaunch of the American Heritage Dictionary®. The Fifth Edition of The American Heritage® Dictionary of the English Language is one of the most comprehensive and accessible resources available on any mobile device.
https://itunes.apple.com/us/app/american-heritage-dictionary/id662848654...

Coursera - Coursera

Free
Coursera connects you with free online courses from 115+ of the top universities and educational institutions in the world including Stanford, Yale, Princeton and others. Browse our catalog, join courses and watch lectures from the world’s best instructors. Learn anytime, anywhere, in topics ranging from computer science to cooking and beyond.
https://itunes.apple.com/us/app/coursera/id736535961?mt=8

Duolingo - Learn Languages for Free - Duolingo

Free
Learn Spanish, French, German, Portuguese, Italian, Irish, Dutch, Danish, Swedish, and English. Totally fun. Totally free.
https://itunes.apple.com/us/app/duolingo-learn-languages-for/id570060128...

Roget's II—The New Thesaurus - Houghton Mifflin Harcourt

$3.99
Want to increase your vocabulary? Want to better express yourself? This application brings the full Roget's II: The New Thesaurus to your fingertips.
https://itunes.apple.com/us/app/rogets-ii-the-new-thesaurus/id672581573?...

Snapguide - How-tos, Recipes, Fashion, Crafts, iPhone Tips and Lifehacks - Heavy Bits, Inc

Free
Snapguide is a beautiful, easy way to create and share how-to guides. Discover new recipes, DIY projects, fashion ideas, make-up tricks, tech tips and lifehacks. Create your own guides and share what you love doing.
https://itunes.apple.com/us/app/snapguide-how-tos-recipes/id421477397?mt=8

TED - TED Conferences

Free
Access riveting talks from some of the world’s most fascinating people -- wherever you are.
https://itunes.apple.com/us/app/ted/id376183339?mt=8

Wikipedia Mobile - Wikimedia Foundation

Free
Official Wikipedia App for iOS. Wikipedia is the free encyclopedia containing more than 32 million articles in 280 languages, and is the most comprehensive and widely used reference work humans have ever compiled.
https://itunes.apple.com/us/app/wikipedia-mobile/id324715238?mt=8

WolframAlpha - Wolfram Group LLC

$2.99
Remember the Star Trek computer? It's finally happening--with Wolfram|Alpha. Building on 25 years of development led by Stephen Wolfram, Wolfram|Alpha has rapidly become the world's definitive source for instant expert knowledge and computation.
https://itunes.apple.com/us/app/wolframalpha/id334989259?mt=8