Most codes follow a system, indicating classes that may sign up for the course; other classes will be excluded. For instance:

Code Meaning
12 First-years and sophomores only
34 Juniors and seniors only

A plus sign (+) appended to such codes signifies "until the first day of class." For instance:

4+  Seniors only until first day of class
23+  Sophomores and juniors only until first day of class

A pound sign (#) appended to such codes signifies "as of the first day of class." For instance:

3#  Juniors as of the first day of class

Other Notes

Code Meaning
O Online Class
OL Online Lab
H Hybrid Class
HL Hybrid Lab
F Flex Class
FL Flex Lab
B-I Do not register for both BIO 111 and BIO 113. See Catalog.
B-II Do not register for both BIO 112 and BIO 114. See Catalog.
BR Not open to students with credit for BIO 111/112/113/114, except with permission.
PRQ There is a prerequisite for the course. See Catalog.
PRM Permission of instructor required
INN English "Innovation" Course
D Distance Learning
DAN-I Class actually runs 12:15-2:05 p.m.
DAN-II Class actually runs 2:30-4:20 p.m.
SPA-I Class actually runs 1:30-3:00 p.m.
R Course has restrictions, see catalog
W WRI courses are not available to students in Humanities or who have already met the composition requirement
XP Course meets for extra periods
XLST Cross listed; use the CRN for the course given as "REG for" (registration will be changed later if needed)
LL Lecture professor listed first, lab professor second
AT Students must attend one weekly AT session, meeting times TBD
AT-II Students must attend two weekly AT sessions, meeting times TBD
AT-IV Students must attend four weekly AT sessions, meeting times TBD
AT-ARB-I AT sessions available at either 6-6:50 p.m. or 7-7:50 p.m. (Chambers 2198)
AT-CHI-I Students must attend one weekly AT session, Tues or Thurs 11:05am - 12:05pm or 12:15 - 1:15pm or 6:00 - 7:00pm
AT-CHI-II Students must attend one weekly AT session, Tues. or Thurs. 11:05 a.m.-12:05 p.m. or 12:15-1:15 p.m.
AT-GER-I At least one AT session will be offered Tues. and Thurs. 8-9 p.m.
AT-SPA-I At least one AT session will be offered from 8-9 p.m.
NA Auditors not permitted
T-I Course may include a trip to Cuba.
T-II Involves a pre-Orientation trip
M Meeting times will be determined once all have registered
E-I Not open to students who have taken ENV 272
E-II Not open to students who have taken ENV 274