Math 251 (Phillips) Common Notation Errors
Correct notation is evidence of understanding,
and is required.
In all assignments and exams,
I will assume everyone in the class has read the files linked here
and knows that the things described in them are in fact
not correct notation.

Preliminary version of the
list of notation errors.
(A new version was posted 13 October 2017.
It has a table of contents with clickable links,
and has had material on notation for intervals and other solution
sets added.)
See below for more things, not on the list above.
These were assembled from the Fall 2010 course,
but they are usually the same every time I teach this course.

Notation for fractions.
Read this!
Many people seem to have had previous instructors who accepted
incorrect or ambiguous notation for fractions,
but I won't.

Notation for intervals.
For whatever reason,
it seems to be common to get notation for intervals wrong.
(This material is now in Section 7 of the
main list of notation errors.)

Notation for limits.
This is new to this course,
and you are expected to get the notation correct.
This page maintained by
N. Christopher Phillips,
email.
Last significant change 24 September 2017.