1 Mathematics
2 Thinking
3 Mathematical Modelling
4 Case Studies

 4.1 Background
 4.2 1st iteration

 4.3 2nd iteration

  4.3.1 Revised assumptions
  4.3.2 Revised model
  4.3.3 Solution of the revised equation
  4.3.4 Comments and exercises

 4.4 3rd iteration
 4.5 4th iteration
 4.6 Discrete cersion