Education & Reference Apps for Android Tablet

Free content, multilingual online encyclopedia written and maintained by a community of volunteers through a model of open collaboration, using a wiki-based editing system.

Translate instantly across 100+ languages with real-time input, voice on mobile, and offline options. Free with Google integration.

Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.

Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer.

Leading online translator with neural networks capturing subtle nuances, blind-tested to outperform competitors 3:1. Secure data compliance with EU laws.

Anki flashcards on Android. Your secret trick to achieve superhuman information retention.

Gamify language learning with Duolingo, offering over 30 languages for free. Practice vital skills with intelligent chatbots and community rewards.

Online platform with self-paced courses from universities and organizations, featuring certificates, degree programs, free and paid options, and skill development.

Introducing Fossify Calculator – your versatile and efficient tool for all your calculation needs. Enjoy a stylish, modern design paired with powerful functionality, perfect for both simple calculations and more complex tasks like currency conversion.

People come to Quora to ask questions about any subject, read high quality knowledge that's personalized and relevant to them, and share their own knowledge with others. Quora is a place to share knowledge and better understand the world.

This online learning platform offers over 250,000 courses in subjects like programming, data science, and design. Available in 75+ languages with lifetime access.

Moodle is an open source tool for creating online dynamic web sites for their students. To work, it needs to be installed on a web server somewhere, either on one of your own computers or one at a web hosting company.

Offers online courses from top institutions worldwide, integrating the latest technology to transform learning and allowing flexibility through open-enrollment courses.

Learning has never been this social and accessible for so many! Bit-sized videos and fun practice sessions grab your attention and keep you focused, for guaranteed best results!.

Have fun while learning a foreign language with Memrise. The more you enjoy learning, the more (and quicker) your skills will develop. This is why entertainment mixed with real-life, relevant content is at the very core of the Memrise language learning experience.

GeoGebra is free and multi-platform dynamic mathematics software for learning and teaching. It has received several educational software awards in Europe and the USA.

A simple and beautiful calculator for Android.

Pluralsight is the global leader in high-quality online training for hardcore developers and IT pros. The revolutionary Pluralsight training library provides techies with instant access to a rich collection of online training courses delivered by industry authorities.

Mochi is a cross-platform desktop tool that lets you take notes and make flashcards using markdown, then study them using spaced repetition.

Easily learn how to do anything from wikiHow, the world’s leading how-to guide. Step-by-step instructions on every imaginable topic. Become the DIY master of anything, instantly.

Offers courses for 12 languages, with expert-created lessons in grammar, vocabulary, reading, writing, listening, and speaking, plus community practice and placement tests.

Lumosity.com grounds all of its brain exercises in extensive research; Scientific Advisory Board includes researchers from such institutions as UCSF and Stanford.

Top nonfiction books summarized into their essential ideas concisely and comprehensively.

FANDOM is a community-based service that allows anyone to create a wiki on virtually any subject. Discover, share and add your knowledge! Wikia is financed by advertisment!

Urban Dictionary is a Web-based dictionary of slang words and phrases. Submissions are regulated by volunteer editors and rated by site visitors.

The definitions on Urban Dictionary are meant to be those of slang or subculture words, phrases, and phenomena not found in standar.