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Step-by-step guides

Free lessons organised by the official exam units: AP first, with the extra Cambridge A Level, IB and university topics in their own units. Every step has worked examples, six practice questions with worked answers and a quick self-check.

Find your exam guide
Microeconomics28 steps · AP Micro units 1–6 plus A Level and IB extras
  1. Basic Economic Concepts
  2. Supply and Demand
  3. Production, Cost and Perfect Competition
  4. Imperfect Competition
  5. Factor Markets
  6. Market Failure and the Role of Government
  7. Beyond AP — A Level and IB extras
Macroeconomics23 steps · AP Macro units 2–6 plus A Level and IB extras
  1. Economic Indicators and the Business Cycle
  2. National Income and Price Determination
  3. Financial Sector
  4. Long-Run Consequences of Stabilisation Policies
  5. Open Economy — International Trade and Finance
  6. Beyond AP — A Level and IB extras
Statistics22 steps · revised AP Statistics units 1–5 plus university topics
  1. Exploring One-Variable Data and Collecting Data
  2. Probability, Random Variables and Probability Distributions
  3. Inference for Categorical Data: Proportions
  4. Inference for Quantitative Data: Means
  5. Regression Analysis
  6. Beyond AP — university statistics
Mathematics33 steps · AP Calculus AB and BC units 1–10 plus Cambridge 9709 and IB AA
  1. Before Calculus: Foundations
  2. Limits and Continuity
  3. Differentiation: Definition and Basic Rules
  4. Composite, Implicit and Inverse Functions
  5. Contextual Applications of Differentiation
  6. Analytical Applications of Differentiation
  7. Integration and Accumulation of Change
  8. Differential Equations
  9. Applications of Integration
  10. Parametric, Polar and Vector-Valued Functions (BC)
  11. Infinite Sequences and Series (BC)
  12. Beyond AP: Cambridge and IB extras
Econometrics20 steps · first and second-year university econometrics, with Python, R and Stata
  1. Foundations: regression and OLS
  2. Multiple regression and hypothesis tests
  3. When the assumptions fail
  4. Binary outcomes, panel data and policy evaluation
  5. Time series, forecasting and projects

New: the econometrics guide follows the 20 chapters of Econometrics Made Simple.