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Make the best use of your high-tech gadgets this test-taking season. Download these cool test prep applications to your computer or mobile device.

General

These apps offer multiple study options and wide-ranging instruction.

1. BenchPrep: Choose your course -- including high school, higher education, graduate and professional -- choose your device, and study independently or with friends.

2. Test Prep for Dummies: Use this nuts-and-bolts app for advice and practice questions on the ASVAB, GRE, SAT, CCNA and more.

3. StudyByApp: Apps are broken down by subject, including science, math and college prep. There's even a "positive parenting" app for new moms and dads.

4. College Test Prep: Interactive flashcards cover Advanced Placement high school and college subjects.

SAT:

The SAT could be the biggest hurdle between you and a college education. Use these apps to crush it.

5. SATLadder: Offers a fun, competition-based question answering structure, including over 2,000 SAT questions.

6. 411 Prep: SAT Math: Dynamic flashcards, a daily study guide and over 500 different question types distinguish this math prep app.

7. SAT Vocab Challenge Vol. 2: This app, by The Princeton Review, measures your knowledge of the 250 most common vocabulary words on the test.

8. Ace the SAT: This free app offers practice math questions and solutions for the iPhone, iPad and iPod Touch.

9. SAT Vocab Cards: Browse and quiz yourself on 1,000 high-frequency SAT words for free, with 1,000 more available for purchase.

10. No. 2 SAT Prep: SAT, ACT and GRE course prep material is available for free with this handy app.

ACT:

Ace this other common college entrance exam with these specialized apps.

11. SAT and ACT Vocabulary HD: Master the 1,000 common ACT and SAT words across nine sets of words.

12. ACT Math Prep Practice Problems: Choose among 48 ACT subjects and browse answer rationales, performance statistics and test-taking advice.

AP:

Scoring well on Advanced Placement (AP) exams in high school can exempt you from many college courses, saving you time and money.

13. American History Test Prep: This prep app by Pearson Education focuses on quizzes, reviews and flashcards from American Roots to Challenges for a New Century.

14. No Fear Shakespeare: Use this app for modern translations of Shakespeare and never be confused by The Bard again.

15. World Atlas HD: Orient yourself in the world with high-resolution maps of the world from National Geographic.

16. iBabylon: Ni hao! Browse this quick and comprehensive dictionary of over 75 languages plus full-text translations.

17. Spanish Anywhere: Study, translate and pronounce Spanish with this portable guide.

18. AP Physics Tutor Tool: Designed for the AP Mechanic Physics C test, this app includes a full practice test.

19. iElements: Make AP Chemistry study a snap with this pinch-zoomable, simple periodic table of chemical elements.

LSAT:

Before you sit for the Law School Admission Test (LSAT), use these tools to prepare.

20. LawStack: Carry a legal library in your pocket with federal and state-based rules, codes and regulations.

21. Constitution and Federalist Papers: Includes an explanation of each clause and commentary on each amendment.

22. LSAT*: All 63 LSAT tests are available on iPad and iPhone with this powerful app, featuring 232 preloaded practice questions and up to 6,400 more downloadable.

MCAT:

Break records on the Medical College Admission Test (MCAT) with a little smart studying.

23. Medical Encyclopedia: This authoritative reference from the University of Maryland Medical Center contains over 50,000 pages of medical information.

24. MCAT: This review app from Sprockit features over 2,000 flashcards so you can study on the go.

25. MCAT Review: Combine the MCAT Prep Physics, MCAT Prep Chemistry and MCAT Prep Biology apps with this comprehensive guide.

26. Human Anatomy: Get the names of organs, body parts and other terminologies at the touch of a button.

GRE:

Boost your chances of acceptance into more grad schools with these specialized apps.

27. GRE*: Get access to 140 GRE questions from Manhattan Prep and access 10,000 GRE flashcards.

28. GRE Word Boost: With 500 essential GRE words in its database, you can study and quiz yourself anytime.

29. Kaplan GRE® Exam Vocabulary Flashcards and Reference Guide: Browse definitions, parts of speech, synonyms and more with over 500 flashcards.

Other tests:

30. CLEP US History Exam Prep: Study for the College-Level Examination Program (CLEP) with this guide, spanning the New World through the Civil War.

31. The CAHSEE Tutor - Mathematics (Lite): Use this free app to prepare for the California High School Exit Examination (CAHSEE).

32. GMAT**: Answer 111 hard questions for the Graduate Management Admission Test (GMAT), created by the GMAT Club Community.

33. EMTutor: With over 50 real-life scenarios written for Emergency Medical Technicians (EMTs), this app is a perfect way to supplement training and study.

Verbal:

Boost your verbal skills with these general vocabulary themed apps.

34. Defining Twilight: Whether you're Team Edward or Team Jacob, this themed vocabulary practice is likely to be right up your alley.

35. Dictionary!: This no-frills app comes with over 200,000 words and doesn't require an internet connection.

36. FreeSaurus: Another no-fuss app for synonyms, antonyms and related words - a must for vocab retention.

37. Grammar Up: Improve your word selection and vocabulary for written exams.

38. Vocabology: View "word of the day" words from several sources and test your knowledge.

39. 200 Great Books: A virtual library of free books, from Aesop's Fables to Walden.

40. CliffsNotes Study Guides: No time to read the whole book? Get the summary to go.

Math

Improve your math skills across the board with these all-purpose apps.

41. iFormulas: Use this clean reference for your studies in Algebra, Calculus and more.

42. myConvert: This lightning-quick unit converter takes the guesswork out of measurement.

43. Math.: Browse over 400 math lessons, and enjoy the first five for free.

44. Graphing Calculator: Leave the bulky calculator at home with this sleek, functional app.

DIY tools

These functional apps are perfect for individual study.

45. Google Books: Access more than 3 million Google eBooks across your devices.

46. Flashcards+: Create and study your own flashcards with this popular app.

47. Evernote Peek: This virtual cover helps you study without peeking at the answers on your iPad.

48. inClass: Share notes and organize your schedule with this free app.

49. ShowMe Interactive Whiteboard: Create your own whiteboard tutorials and be the hero of your study group.

50. Khan Academy: Broaden your mind with over 2,500 free videos on everything from basic math to venture capitalism.