Chemistry
Chemistry Essentials
Practise atoms, formulas, reactions, stoichiometry, bonding, gases, equilibrium, acids and bases, electrochemistry, organic chemistry, and nuclear chemistry.
262 questions116 flashcards15 modules
Free online courses
Curated courses with quizzes and flashcards
Every course is carefully structured into short lessons and paired with quizzes and flashcards, so what you learn actually sticks.
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17 courses
Nursing
Nursing safety
Nursing Pharmacology Essentials
Practise medication safety, adverse effects, monitoring, patient teaching, and major drug classes for nursing review.
251 questions198 flashcards11 modules
AP Statistics
AP Statistics Practice
Study data, sampling, probability, inference, chi-square tests, and regression with AP-style practice.
190 questions155 flashcards9 modules
Psychology
Psychology Essentials
Study research methods, the brain, learning, memory, development, personality, social psychology, stress, disorders, and therapy.
178 questions203 flashcards11 modules
Medical terminology
Medical Terminology Essentials
Practise word parts, body regions, plurals, abbreviations, and major body-system terminology for healthcare study.
150 questions149 flashcards10 modules
AI literacy
AI Risk Management Literacy
Learn trustworthy AI basics, NIST AI RMF functions, generative AI risks, monitoring, and practical risk decisions.
150 questions155 flashcards10 modules
Python
Python for Data Analysis
Practise Python, pandas, NumPy, files, cleaning, grouping, joins, dates, plotting, and debugging common analysis mistakes.
146 questions161 flashcards10 modules
SQL
SQL for Analysts
Practise SELECT, filtering, joins, grouping, CASE, CTEs, window functions, transactions, and query debugging.
142 questions122 flashcards10 modules
Biology
Biology Essentials
Learn cells, macromolecules, metabolism, genetics, evolution, and ecology with source-backed practice.
126 questions162 flashcards10 modules
Anatomy
Anatomy & Physiology Essentials
Learn body organization, cells, tissues, major systems, and homeostasis with structured review and practice.
113 questions257 flashcards6 modules
Public health
Public Health Epidemiology Basics
Study disease frequency, risk measures, study designs, surveillance, screening, and outbreak investigation from CDC source material.
110 questions92 flashcards5 modules
Finance
Finance & Investing Basics
Learn saving vs investing, risk and return, diversification, fees, fraud red flags, and rate of return from government financial education sources.
90 questions109 flashcards6 modules
Cybersecurity
Cybersecurity Fundamentals
Practise cybersecurity risk, NIST CSF functions, access control, phishing response, backups, vendor risk, and safer operations.
86 questions71 flashcards5 modules
Microeconomics
Microeconomics Essentials
Practise scarcity, supply and demand, elasticity, firm behaviour, market structures, externalities, and policy tradeoffs.
84 questions56 flashcards5 modules
Statistics
Statistics Without Panic
Practise p-values, confidence intervals, significance tests, and the common mistakes that make results easy to misread.
72 questions53 flashcards3 modules
Calculus
Calculus Essentials
Review limits, derivatives, graph interpretation, antiderivatives, integrals, and common calculus mistakes with worked-style practice.
52 questions52 flashcards5 modules
Probability
Probability Without Panic
Build confidence with sample spaces, conditional probability, Bayes, expected value, and common distributions.
24 questions75 flashcards4 modules
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Yes. You can open the courses and study the lessons, quizzes, flashcards, and notes for free.
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Anyone who wants to learn. Whether you're a student, brushing up on a topic, or just curious, open a course and start.
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