Introduction to ModelsEstimate PiUsing a DartboardSimulating Random DartsUnderstanding the RE Class OutputImplementing the Darts ModelBirthday ParadoxSimulating 100,000 PartiesTesting the Birthday ModelImplementing the Birthday ModelSimulating EvolutionNatural SelectionStatic WorldGradually Changing WorldCatastrophic WorldGenetic DriftTesting the SimulationsExercisesSummary