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Reference and Applications


__Dictionary.com__
Dictionary.com, LLC
The free Dictionary.com app delivers trusted reference content from Dictionary.com and Thesaurus.com. The app also features audio pronunciation, voice-to-text search and Dictionary.com’s popular Word of the Day and Hot Word blog. Dictionary and Thesaurus, 375,000 words and definitions, 300,000 synonyms and antonyms, Phonetic and audio pronunciation, Spelling suggestions, Example sentences, Word origin and history

Advanced English & Thesaurus
Mobile Systems
A Comprehensive Dictionary and Thesaurus. Straight forward and precise definitions of over 140,000 words with more than 250,000 links and 1.4 million words. Synonyms, antonyms, similar and related words to help you make your writing and speech more interesting. Hypernyms (more generic words), hyponyms (subordinate words) and meronyms (part names) Examples illustrate how words are used and show typical constructions and collocations.


__YouTube__
Google Inc.
The latest version of the official YouTube app, now with in-page playback! Experience the latest and best version of the official YouTube app, which offers:

__Google Maps__
Google Inc.
Download the latest release of Google Maps, and never carry a paper map again. Get Google Maps with Navigation (Beta), Places, and Latitude

Google Earth
Google Inc.
Explore the world from the palm of your hand with Google Earth.
Use Google Earth to fly around the planet with the swipe of a finger. Search by voice for cities, places, and businesses. Browse layers including roads, borders, places, photos and more.

Google Reader
Google Inc.
Follow all your favorite sites, blogs, and more, all in one place. See what your friends are sharing, and easily share any interesting articles you read. The Google Reader app syncs with the web version, so all your reading lists are always up to date.

FBReader
Geometer Plus
FBReader (FBReaderJ) is an e-book reader. Supports epub, oeb and fb2(.zip) file formats. FBReader is fast, highly customizable. Can use external TrueType fonts (on devices with Android 1.6 or higher). Includes hyphenation patterns for 16 languages. Includes a browser/downloader for network e-book catalogs/stores. Several popular English, French, Russian, Chinese and Polish libraries are included. Custom OPDS catalogs are supported too. Alternatevly, you can download books manually and put them into /sdcard/Books catalog on your device. FBReader is integrated with external dictionaries. Supports ColorDict, Fora Dictionary, FreeDictionary.org.

Google Search
Google Inc.
Google Search app for Android: the fastest way to search the web and your phone. Search the web and your phone with the official Google Search app. Get phone search results plus query and web site suggestions as you type, and instant results for weather, stock quotes, local businesses, and more!


Diigodroid
Tarmo Toikkanen
Bookmark pages from the browser to your Diigo.com account. Select Menu, "Share page" and then the new option "Diigo". You'll need to sign in to your account when you first use Diigo.

Productivity


__Edmodo__
Edmodo Inc.
Edmodo for the Android makes it easy for teachers and students to stay connected and share information. Use your Android phone to send notes, post replies, and check messages and upcoming events while away from the classroom.

Catch Notes
Catch.com
Simplify your life with Catch Notes.
Catch Notes is a feature-packed notepad app that allows you to capture text, voice, images, and locations, all with free sync & backups to Catch.com. Passcode-protect your notes, set reminders, share content, and keep organized with easy #tags and a homescreen widget!


__Evernote__
Evernote Corp.
Evernote is an easy-to-use, free app that helps you remember everything across all of the devices you use. Stay organized, save your ideas and improve productivity. Evernote lets you jot down notes, capture photos, create to-do lists, record voice reminders--and makes these notes completely searchable, whether you are at home, at work, or on the go.
Key Features: Sync all of your notes across the computers and devices you use, Create text notes, to-dos and task lists, Record voice and audio notes, Search for text inside images, Organize notes by notebooks and tags, Email notes and save tweets to your Evernote account, Connect Evernote to other apps and products you use

Teacher Clicker
Socrative Inc.
ENGAGE THE CLASS, SAVE ON GRADING TIME. Socrative brings smart clickers to a whole new level.
Engage the entire classroom with educational games and exercises while getting student results in real-time. Run Socrative off any web browser, while your students run it off their smartphone / iPod Touch / Laptop. Socrative takes 3 minute for you to setup and 30 sec for your students to load. Saves you time grading and lesson planning. Games and exercises on their device, results show up on the classroom screen.


__Advanced Task Killer__
ReChild
Advanced Task Killer is also known as ATK. It is a tool to kill applications running.


__Dropbox__
Dropbox, Inc.
Dropbox syncs your files online and across computers for access anywhere. Sync your files between your computers and your mobile device. Now you can browse the files in your Dropbox folder from anywhere! Share links to files, save photos and video from your camera to your computers, and open files using your favorite Android apps.


__ASTRO File Manager__
Metago
Features: File Manager, Backup, Image and text viewers, Networking, SMB, Bluetooth, SFTP, Zip Tar, downloader, thumbnails, search files, application manager, task manager, attachments

__Jorte__
Johospace Co.,Ltd.
Jorte is a personal organizer application designed to be practical. Our objective was to create an app with the look and feel of real paper personal organizer with an appealing appearance and easy practical use. Jorte has a scheduler function and you can customize its style as you choose. Calendars are displayed in a monthly or weelky view the display will rotate automatically if you turn your device sideways. You can see in one glance the important schedules that are colored red and also the schedules that have already finished. According to your style, you can set the beginning day of the week, import public holidays events and add our own holidays events. When you manage a to-do list, you can view important schedules in red or rearrange the order of items in the list. Schedule and to-do data can be imported from or exported to a CSV file. Jorte can be controlled using Google Voice and interact with Google Maps. The app has many features such as synchronizing with Google calendar and supports a wide variety of widgets.


My Docs - Google Docs
RCS, LLC.
My Docs puts all the functionality of the desktop version of Google Docs on your Android device. Quickly and easily create, filter, star, share, rename, delete and upload documents from your Google Docs account. In addition to the application, you can also add our included widget to the Home Screen for quicker access to your information.

Flickr
Appsgeyser
Your Flickr on your Android phone! Upload photos, make galleries or browse friend's photos.


Screen Filter
Haxor industry
Screen Filter: Reduce the brightness of your screen, save battery.
Reduce the brightness of your screen for night-time viewing. Applies a shade that acts as a dimmer to ensure your eyes don't hurt. Far more powerful than Android's built-in brightness setting. Great for low-light gaming, web browsing, and eBook reading. It even saves battery life for AMOLED displays!


JuiceDefender - Battery Saver
Latedroid
Reclaim your battery! Save power and extend battery life with JuiceDefender Battery Saver is a powerful, yet easy to use Battery Manager App. It extends battery life by intelligently managing the battery-draining components of Android devices, like 3G/4G connectivity and WiFi.

Specific Curricular Area Apps
English

Google Books
Google Inc.
Use Google Books to read over 3 million ebooks on the go. Build your ebooks library in the cloud with Google Books: jump right into a bestseller or select from nearly 3 million free ebooks. Personalize the reader to your liking, pick up reading where you left off on your phone or computer, and settle down with a great book on your Android phone!

(Free Books) Gutenberg Link
BetaDays.com
This opens the Project Gutenberg's mobile site.
Free eBooks by Project Gutenberg Link. This App opens up the Project Gutenberg's mobile website where you can view and download thousands of public domain books. Currently you are _ONLY able to view HTML books_ in this app right now. It will NOT work with the other formats currently.

AudioBooks
TechFort
AudioBooks is a free application that gives you access to the LibriVox's public library of more than 3,500 free classic audiobooks. RELIES ON WI-FI OR GOOD 3G CONNECTION.


SAT Vocabulary
Alex Stetsenko
SAT Vocabulary - 4922 (!) words and definitions that will help you to prepare to the SAT test:
Mark learned or easy words and select 'Show unmarked' from menu, view words in alphabetical or random order, hide navigation buttons to eliminate distraction, last viewed word is saved when you leave the app.

__Words, words, words!__
Socratica, LLC
Words, words, words are what you need for effective communication. Start right from the beginning and master them all! The 2000+ words become more difficult with each passing quiz. Audio is included to help with pronunciation. Mix things up with the unscramble game!

__Wordalation Vocab Builder__
Appulearn
Wordalation Vocab Builder makes learning new vocabulary words fun and easy. This Appulearn app has hundreds of words that appear on English tests like the SAT, GRE and GMAT.You can even save words to your personal list with the click of a button.

Fine Arts
__Perfect Ear__
Exaybachay
Develop the best musical ear with the Perfect Ear! An easy and fun tool that will help both professional musicians and those who just want to improve their musical ear. Contains set of exercises for training ear.

__Note Teacher__
agent-10
Note Teacher is the simple application that will help you to learn musical notes. Violin key, Bass key, Accords, Highlighting correct and wrong choice, Pernote statistics.

__MusicTutor SightRead Lite__
VirtualCode.es
Learn to read music with MusicTutor SightRead Lite. Learn to sight-read music with MusicTutor SightRead (MTSR). MTSR is a quiz game designed to read (and write) music in an easy and pleasant way.

Mathematics
RealCalc Scientific Calculator
Quartic Software
A fully featured scientific calculator which looks and operates like the real thing. Result history, Unit conversions, Percentages, 10 memories, Binary, octal, and hexadecimal, Trig functions in degrees, radians or grads, Scientific, engineering and fixed-point display modes, Physical constants table


Grapher
opticron
Plot functions and trace their graphs with ease! This is a simple graphing calculator with graphing capabilities similar to TI-83 or TI-89 calculators. To start adding equations, tap the graph!



__Math Formulary__
anjokes
Simple access to all math formulas with the Math Formulary App! Math Formulary covers all mathematical formulas that are usually used in the school and the university. Where necessary graphics are included to depict and explain the topic better. SD-Card Installation is supported. The content is organized into following groups: Basic Arithmetic, Algebra, Geometry, Trigonometry, Analytical Geometry, Logic


__Math Ref Free__
Happy Maau Studios, LLC
Over 700 equations, examples and tips to help you with math and science. Math Ref Free is a half the size and none of the price of Math Ref full. Get a sample of this comprehensive list of equations and more at your finger tips.

__MathBuddy Free__
Vincent Juliano
Calculate distance, area, midpoint, perimeter, slope, volume, primes, and more!
Performs useful calculations such as finding the Area, Common Factors of a set of numbers, Distance between two points, Quadratic Roots, Midpoint, Perimeter, Find all the primes up to and including a number, the slope of a line, and the volume of a cube, cone, cylinder, and sphere. Finds the area of a Rectangle, Circle, Triangle, Oval, Cylinder, Cone, and Pyramid. Formula for each function is displayed at the top of the screen for easy reference.



Area & Volume Calculator
Firedale
This app helps you calculate basic perimeter/area/volume of different shapes.
Basic perimeter, area and volume formulas are part of the math used in common science calculations as well as in daily life. Whilst it's a good idea to memorize these formulas, this app calculates this for you!
Supported: Sphere, prism, octogon, hexagon, cylinder, Ellipse, circle, parallelogram, triangle, pyramid, trapezoid.



__Fun Math Tricks Lite__
RanVic Labs
Learn tricks to amaze others as you use mental math to solve tough math problems. You can do math workout based on these tricks with widget. Increase score and confidence on standardized tests such as the SAT, PSAT, GRE, GMAT, ACT, MCAT. Challenge your brain with the widget, Number games, and Minute Math modes.


Unit Converter – ConvertPad
Sunny Moon
Powerful and fully featured Unit converter, Currency Converter and Calculator

Science

Google Body
Google Inc.
Navigate and search an interactive 3D model of human anatomy. Google Body is a detailed 3D model of the human body. You can view different anatomical layers, zoom in, and navigate to parts that interest you. Click to identify anatomy, or search for muscles, organs, bones and more.

__3D Brain__
Dolan DNA Learning Center
Use your touch screen to rotate and zoom around the interactive brain structures. Discover how each brain region functions, what happens when it is injured, and how it is involved in mental illness. Each detailed structure comes with information on functions, disorders, brain damage, case studies, and links to modern research.

__Chemistry Helper__
Adam Hogan
A simple app designed as a quick reference for chemistry students. Includes a periodic table with links to wikipedia, a tool to calculate molecular masses of compounds (with a button at the top to perform simple grams/moles calculations, calculate mass percents and do stoichiometry with that compound), a table of polyatomic ions, constants, solubility rules and organic chemistry functional groups.

__Balance Chemical Eq Free__
Sure Shot
This is a useful tool with a user-friendly layout which can balance a given chemical equation. Ionic reactions are also supported. A very helpful tool for chemistry students, teachers, researchers, analysts, pharmacists etc.


__Hubble Space Telescope__
Luyen
A huge space image collection of Hubble Space Telescope: planets, stars, nebulae, galaxies and more. Hubble is one of the largest and most versatile, and is well-known as both a vital research tool and a public relations boon for astronomy.

__Google Sky Map__
Google Inc.
Google Sky Map turns your Android-powered device into a window on the night sky.


Formulas Lite
Abhishek Kumar
A must have App for all students. Formulas Lite is a simple, easy to use application which helps you to refer collection of most important formulas of maths, physics & chemistry.

__Physics Formula Calc LITE__
Vincent Programming
Perfect for students to do physics homework "quickly" and "accurately."

__Science Facts__
SusaSoftX
Contains thousands of science related facts! (Physics, Chemistry, Astronomy, Biology, Inventions ...)



Social Studies



World Atlas
mindbeach
Like to explore the world? This is the most fully-featured atlas on the market. Expand your knowledge - with over 260 countries and 230 capitals, this is the most complete atlas app on the market. Includes: Demographics, Geographic info, Travel info, Current time + weather, Flags, Satellite + street maps, Homescreen flag widget, Quiz mode, Search


__Countries of the World__
Socratica, LLC
Learn the capitals, populations, languages, GDPs, religions, flags & more. Learn about the countries of the world - capitals, populations, languages, GDPs, religions, flags & more. Test your knowledge of world geography with quiz mode. Audio is included to help with pronunciation. Find countries using the interactive map, search, or index

__U.S. Presidents__
Socratica, LLC
Learn about the presidents of the United States of America. Learn about the U.S. presidents - years in office, birthplace, trivia, party, vice presidents and more. Test yourself with Quiz mode. Find presidents by search or index. Kick-back and enjoy a presidential parade!


__50 States__
Socratica, LLC
Learn all about the 50 states of America. Names, capitals, flags and more! Learn the states, capitals and much, much more. For each state you will also learn the population, flag, largest city, motto, state bird, area and highest point! Test yourself with quiz mode. The clickable map makes it easy to lookup a state.





Spanish

__Speak Spanish Free__
Holfeld Apps
FREE version of "Speak Spanish" - The 133 most important Spanish phrases!

__Spanish Verbs Pro__
Fishstix
The ultimate Spanish Verb trainer. Learn to speak Spanish with 1001+ of the most common verbs w/ English translations. Learn verbs with the Leitner Flashcard System! Full Conjugations, Search Verbs, Speech Enabled, Verb Conjugations cross referenced with Verbix for correctness! Practice for Spanish learners and students of all levels.


__Spanish Vocab__
Appulearn
Wordalation Spanish Vocab makes learning Spanish vocabulary fun and easy. Using a flashcard interface, students can quickly learn hundreds of everyday Spanish vocabulary. Words are grouped into common themes that include numbers, moods, body parts, professions and much more! There are various modes that include test mode, learn mode and random mode.

Google Translate
Google Inc.
Google Translate lets you instantly translate between over 50 languages. Use Google Translate to instantly translate text between more than 50 languages. Featuring: Dictionary results, Text-to-speech, Voice input, Romanization (e.g. Pinyin, Romaji, etc), History/star favorite translations