1.9 Important notes about some of the results

  1.9.1 Important note about Maxima results
  1.9.2 Important note about FriCAS and Giac/XCAS results
  1.9.3 Important note about finding leaf size of antiderivative
  1.9.4 Important note about Mupad results
  1.9.5 Important note about IntegrateAlgebraic results