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Boost your college entrance exam scores and get into the school of your dreams. Improve your ASVAB score to unlock more career opportunities, higher bonuses, and greater enlistment options in the military. Set your child up for success on their private school entrance exam. Skip the classroom and earn college credit affordably by passing Credit by Exam courses on the first try. It doesn’t matter where you are in your education, career, or military journey, Peterson's Test Prep is here to help you reach your goals with confidence and success. The Peterson's Test Prep app seamlessly syncs with our intuitive web-based platform, allowing you to pick up where you left off, whether you're on your computer or phone—so you can stay on track without missing a beat. With proven tools and expert-designed learning methods, success is within reach. Enjoy features that help you perform at your best, including: Diagnostic tests, practice exams, mini-quizzes, and flashcards Engaging, interactive lessons and videos Effective strategies for acing your exam Web-based access to all our comprehensive courses With over 250 test prep courses and practice tests, Peterson's Test Prep will guide you every step of the way. Check out our course catalog: College exams: - ACT - Accuplacer - AP Chemistry - AP Microeconomics - PSAT/NMSQT Career exams: - Alcohol and Drug Counselor - Commercial Drivers License (CDL) - Court Officer - Civil Service - EMT - FBI Agent - ICE Special Agent - NCLEX-RN - Pharmacy Technician - Praxis Core, Praxis Early Childhood - Praxis Elementary - Praxis Mathematics - Praxis Middle School - Praxis ParaPro - Public Safety Dispatcher/911 Operator - Real Estate - State Trooper - TABE - Treasury Enforcement Agent - U.S. Border Patrol Agent - Vet Technician Military exams: - AFOQT - ASVAB - ASTB-E - OAR - NAPT - SIFT High School Placement: - HiSET - HSPT - ISEE - SSAT - TACHS High School Equivalency: - GED Credit by Exam: - CLEP (American Government, American Literature, Analyzing and Interpreting Literature, Biology, Business Law, Calculus, Chemistry, College Algebra, College Composition, College Mathematics, Educational Psychology, English Literature, Financial Accounting, French, Human Growth and Development, Humanities, Information Systems, Introductory Psychology, Introductory Sociology, Natural Sciences, Pre-Calculus, Principles of Macroeconomics, Principles of Management, Principles of Marketing, Principles of Microeconomics, Social Sciences and History, Spanish, U.S. History I, U.S. History II, Western Civilization I, Western Civilization II) - DSST (Astronomy, Business Ethics and Society, Business Math, Civil War and Reconstruction, College Algebra, Computing and Information Technology, Criminal Justice, Environmental Science, Ethics in America, Ethics in Technology, Foundations of Education, Fundamentals of Counseling, Fundamentals of Cybersecurity, General Anthropology, Health and Human Development, History of the Soviet Union, Human Resources Management, Introduction to Business, Introduction to Geography, Introduction to Law Enforcement, Introduction to World Religions, Management Information Systems, Math for Liberal Arts, Money and Banking, Organizational Behavior, Personal Finance, Principles of Advanced English Composition, Principles of Finance, Principles of Public Speaking, Principles of Statistics, Principles of Supervision, Substance Abuse, Technical Writing). Graduate Admissions: - DAT - GMAT - GRE - LSAT - PCAT

P-REx Zero Console: Parameterized Runtime Execution (Z3R0 Edition) I just wanted to run one function. RStudio didn’t open. My Wi-Fi disappeared. Cookies were required — tragically, not the snacking kind. So I made this. This is P-REx Zero, a lightweight demo version of the full P-REx app. It’s a stripped-down R console for your iPhone. No cloud. No account. No add-ins. Just R, running offline, like it’s 2004 and deep focus was still fashionable. Whether you’re simulating data from the couch, calculating probabilities at 35,000 feet, or panic-testing t.test() before a meeting, P-REx Zero shows up quietly and does the math. Like a stats TA who won’t judge your p-value or your life choices. What this version does: • Runs a focused set of core R functions • Good for testing, learning, and basic stats • Offline, because life happens • Remembers your variables, even if you don’t • No ads, no feeds, no “smart” tooltips Want more? The full version of P-REx unlocks 99+ functions, extended syntax support, and extra features. But this gets you started. The paid version of P-REx Console can be found here: https://apps.apple.com/ca/app/p-rex-console/id6743998835 I built it to run one line of code. Now I use it to avoid everything else.