In sports, there are utility players who are not restricted to playing one position, but can be put in at any position
as the situation warrants. In tutoring, there are specialists who concentrate only in specific areas and there are the
utility tutors who can handle many different areas.
I have just returned from a Physics tutoring session which became a Calculus tutoring session when the student realized
that he did not have a list of the Physics topics for his next exam, but did have his Calculus text. When he asked if I could
do Calculus with him, I said ok. Had I been only...