=========
Chapter 4
=========

.. toctree::
   :maxdepth: 1

   ex_4.1_strindex_rightmost
   ex_4.2_atof_scientific
   ex_4.3_rpn_modulus_negative
   ex_4.4_rpn_top_two_elements
   ex_4.5_calculator_math_functions
   ex_4.6_calculator_variables
   ex_4.7_ungets
   ex_4.8_getch_ungetch_pushback
   ex_4.9_getch_ungetch_eof
   ex_4.10_calculator_getline
   ex_4.11_getch_static
   ex_4.12_recursive_itoa
   ex_4.13_reverse_string
   ex_4.14_swap_t_x_y