In this section there are the solutions for the exercises in the TP.

As the exercises are not numbered the paragraphs of the chapters are
used to refer to the exercise.

• exercise 2.1
  
• exercise 2.2.3
  
• exercise 2.3
  
• exercise 2.5 step1.htm
  
• exercise 2.5 step2.htm
  
• exercise 2.5 step3.htm