MATH 31B
Integration and Infinite Series
Lecture and discussion. The registrar has published a final exam time.
Fall 2026: 4 lectures and 24 discussions. 3 lectures and 13 discussions are open. The oldest of these readings was 3 hours ago.
Grades
3.08
Average grade awarded in MATH 31B. Not a rating: this is what the grades were.
In the A range
47%
of the 6,721 letter grades
D, F or W
8.3%
of every letter grade awarded, plus withdrawals
Taken pass/no pass
<1%
39% of those passed
The registrar's own records: 6,721 grades over 15 terms, Fall 2021 to Fall 2025, summer excluded. Every instructor is pooled here. The table below splits them, and term averages across those 15 terms ran 2.81 to 3.77.
- A+ 306 · 4.6%
- A 2,038 · 30.3%
- A- 784 · 11.7%
- B+ 681 · 10.1%
- B 835 · 12.4%
- B- 386 · 5.7%
- C+ 389 · 5.8%
- C 475 · 7.1%
- C- 277 · 4.1%
- D+ 110 · 1.6%
- D 108 · 1.6%
- D- 67 · 1.0%
- F 265 · 3.9%
- P 13 of 6,805
- NP 20 of 6,805
- I 40 of 6,805
- DR 9 of 6,805
- R 2 of 6,805
Percentages are of the 6,721 letter grades. Grey bars are non-letter outcomes: passes (P), no-passes (NP), incompletes (I), withdrawals (DR), and repeats (R). They are excluded from the GPA entirely rather than scored, because counting a P as a 4.0 would be a fabrication. Withdrawals are the exception to "excluded": DR is not scored, but it IS counted in the D, F or W figure above, which is reported over the letter grades plus the withdrawals. Pass/no pass and S/U outcomes are outside that figure on both sides.
By instructor
| Instructor | Predicted GPA | Raw | n | Terms | A range | Workload | Fall 2026 |
|---|---|---|---|---|---|---|---|
| SANCHEZ OCAL, PABLO reviews ↗ | 3.10 | 3.10 | 751 | 3 | 41% | - | not teaching it |
| XIONG, HAOREN reviews ↗ | 2.91 | 2.90 | 674 | 2 | 35% | - | not teaching it |
| ARANT, TYLER JAMES reviews ↗ | 2.80 | 2.80 | 601 | 3 | 39% | very light | not teaching it |
| GREENE, MARY PAIGE reviews ↗ | 3.56 | 3.57 | 551 | 4 | 74% | - | not teaching it |
| JOHNSON, CASEY LYNN reviews ↗ | 2.62 | 2.60 | 450 | 3 | 36% | - | not teaching it |
| GANNON, KYLE ANDREW COX reviews ↗ | 3.69 | 3.72 | 437 | 1 | 78% | - | not teaching it |
| BEERS, DAVID reviews ↗ | 3.29 | 3.30 | 426 | 2 | 57% | very light | not teaching it |
| DING, CHANGYING reviews ↗ | 3.15 | 3.15 | 417 | 2 | 49% | - | not teaching it |
| LI, LINFENG reviews ↗ | 3.19 | 3.20 | 413 | 2 | 43% | - | not teaching it |
| FLYNN, PATRICK reviews ↗ | 3.35 | 3.37 | 212 | 1 | 65% | - | not teaching it |
| KERANEN, JUKKA PETRI MIKAEL reviews ↗ | 2.96 | 2.95 | 209 | 1 | 40% | - | not teaching it |
| BADREDDINE, RANA reviews ↗ | 3.07 | 3.07 | 206 | 1 | 42% | - | not teaching it |
| MIN, HYUNKI reviews ↗ | 3.11 | 3.11 | 203 | 1 | 44% | - | not teaching it |
| ZHANG, ZHAOYU reviews ↗ | 2.76 | 2.73 | 203 | 1 | 29% | - | not teaching it |
| GU, HAOTIAN reviews ↗ | 2.92 | 2.91 | 203 | 1 | 43% | - | Open, 109 seats left |
| DEMIROGLU, YESIM reviews ↗ | 2.94 | 2.93 | 200 | 1 | 36% | - | not teaching it |
| SCAVIA, FEDERICO reviews ↗ | 3.16 | 3.17 | 197 | 1 | 49% | - | not teaching it |
| MARKS, ANDREW SCOTT reviews ↗ | 2.65 | 2.61 | 182 | 1 | 32% | - | not teaching it |
| GREENE, ROBERT E reviews ↗ | 2.85 | 2.82 | 150 | 1 | 28% | - | not teaching it |
| CONLEY, WILLIAM JOSEPH reviews ↗ | 2.19 | 1.78 | 36 | 1 | 11% | - | not teaching it |
“Predicted” is shrunk toward the course average, which is itself shrunk toward the department, so an instructor with a handful of students sits near the course mean rather than topping the list.
dibs measures outcomes: grades, seats, how fast a class fills. For what a class is like to sit in, BruinWalk has the reviews.
What comes first
The chain dibs can see is 2 courses long before MATH 31B. dibs has read a class page for every course in it.
Counted in courses rather than quarters: dibs does not know which of them a department lets you take together.
In Falls
Ran in 5 of the last 5 Falls.
From the terms dibs holds, which start in Fall 2021 and exclude summer. A department can run a course in a quarter it never has before.
From the registrar's catalog
dibs has not read the registrar's description for this course. It reads them for general education courses only, so this says nothing about the course. Any section below links out to the registrar, where the catalog text is, and that text is also where a prerequisite the structured list does not carry would be written.
Sections in Fall 2026
You enroll in the discussion, not the lecture, so a discussion's status is the one that decides whether you get in. A lecture can read open while every discussion under it is full.
Seat counts as of : the oldest of these 28 readings. The registrar publishes hourly and dibs reads what it can each hour, so a row can be older than that.
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Lec 1 MWF 10:00am-10:50amClosed2.92this instructor · 203 grades
174 of 174 enrolled high risk
6 discussions, none open. There is no waitlist either, so the only way in is somebody dropping the lecture.
Every discussion, with its time and seats (6)
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Lec 2 MWF 8:00am-8:50amOpen2.92this instructor · 203 grades
109 seats left. 67 of 176 enrolled high risk
6 discussions, all open.
Every discussion, with its time and seats (6)
-
Open
5 seats left.
22 of 27 enrolled
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Open
16 seats left.
10 of 26 enrolled
-
Open
21 seats left.
5 of 26 enrolled
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Open
23 seats left.
4 of 27 enrolled
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Dis 2E
T 1:00pm-1:50pm · Public Affairs Building 2238
Open20 seats left.
15 of 35 enrolled
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Dis 2F
R 1:00pm-1:50pm · Public Affairs Building 2238
Open24 seats left.
11 of 35 enrolled
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Lec 3 MWF 2:00pm-2:50pmOpen
Wang, A.Y.
3.08course average · 6,721 grades25 seats left. 150 of 175 enrolled high risk
6 discussions, 2 open: Dis 3A, T 2:00pm-2:50pm, and Dis 3F, R 2:00pm-2:50pm.
Every discussion, with its time and seats (6)
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Lec 4 MWF 3:00pm-3:50pmOpen3.08course average · 6,721 grades
61 seats left. 115 of 176 enrolled high risk
6 discussions, 5 open.
Every discussion, with its time and seats (6)
Final enrollment, averaged across each term's sections: between 144 and 281 a term over 12 terms, summer excluded, most recently 208 in Fall 2025. That is the shape across years, not this term, which is above.
Seats over time in Fall 2026
How each lecture has filled since dibs first saw it. This course runs 4 lectures; the legend under the chart picks one.
Lec 1 · Gu, H. · 174 of 174 enrolled
Filled by 25 over 15 days
Lec 2 · Gu, H. · 67 of 176 enrolled
Filled by 13 over 15 days
Lec 3 · Wang, A.Y. · 150 of 175 enrolled
Filled by 17 over 15 days
Lec 4 · Kasum, O. · 115 of 176 enrolled
Filled by 28 over 15 days