create_exercise_csv     Create an exercise csv file
create_exercise_data_frame
                        Create an exercise data frame
create_exercise_excel   Create an exercise Excel file
define_an_exercise      Define an exercise
define_exercises        Define exercises from a data frame
define_exercises_from_csv
                        Define exercises from a csv file
define_exercises_from_excel
                        Define exercises from a Excel file
exam                    'exam' S3 class
generate_correction_document
                        Generate the support document for exam
                        correction
generate_document       Generate the exam document
read_exercise_csv       Read an exercise csv file
read_exercise_excel     Read an exercise Excel file
set_pending_answers     Set pending answers
vector_to_string        Transforms a vector of strings into a string
write_exercise_csv      Write an exercise csv file
