System Zoo Z105: Time-dependent growth from System Zoo 1 by Hartmut Bossel

System Zoo Z107 exercise 2: Infection dynamics, exercise 2 (a part of the population is immune to infection) from System Zoo 1 by Hartmut Bossel

This is my attempt at the problem, not necessarily correct!

System Zoo Z107: Infection dynamics from System Zoo 1 by Hartmut Bossel

System Zoo Z111: Density-dependent growth (Michaelis-Menten) from System Zoo 1 by Hartmut Bossel

System Zoo Z108: Overloading a buffer from System Zoo 1 by Hartmut Bossel