If the program is called the first time, no MemorySurfer file is present.
In the file menu it is possible to create a new file or to open an existing file.
Creating an new MemorySurfer file.
Editing the new file.
First no question-answer pairs are present.
Adding a new question-answer pair.
Learning the question-answer pairs.
First the question is asked.
Afterwards the answer is shown.
The user must control now its "thought" answer and rate accordingly.
Open an existing MemorySurfer file
Search the collection