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APMA 2120 Multivariable Calculus
Last taught: Fall 2026 Add to Schedule
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Review Summary Updated April 05, 2026

Expect primarily slide-based lectures delivered quickly without recordings, so consistent attendance is practically mandatory. You will need a solid foundational math background and must commit serious weekly hours to frequent worksheets and heavy online assignments that ultimately drive your grade. The midterms are straightforward if you thoroughly complete the provided practice problems, but the cumulative final heavily emphasizes the notoriously difficult last unit, making up most of that exam. While the in-class delivery can feel dry and repetitive, the instructor is notably kind, highly approachable, and genuinely invested in student success. You will manage the course effectively if you stay ahead of the practice-heavy workload, collaborate with classmates, and lean heavily on TA support and office hours rather than expecting in-class instruction to cover everything.

17 Reviews

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Spring 2026
3.7
Average

People keep saying he is the 'worser' of the two APMA 2120 professors but I don't think that's true. I appreciate his teaching style and I don't think I learn any less with him as my professor, he was really kind when answering my questions and he wants you to perform well in the class---you just have to listen and pay attention when he speaks and don't be afraid to ask questions!

Instructor 4.0
Enjoyability 3.0
Recommend 4.0
Difficulty 3.0
Hours/Week 5.0
Fall 2026
4.0
Average

It was a good course with a good teacher, but the topics on the third midterm were not taught well, although he knows the students do worse on that exam.

Instructor 4.0
Enjoyability 3.0
Recommend 5.0
Difficulty 3.0
Hours/Week 17.0
Fall 2025
2.7
Average

Professor Mahmood isn't the best professor. He mostly just reads off the slides and because of that, it's pretty hard to have the willpower to make it to classes. My only recommendation is to not fall back on topics and to stay on top of your assingments. its so easy to skip on worksheets and pre-class assignments, but those help carry your grade at the end. but honestly, i would recommend taking this class with Christian Hellings if you are a morning person. Otherwise, you'll probably get by fine in this class with Mahmood, but it is recommended that you have a good foundation in calculus 1 especially, and it is really useful if you have taken multi in highschool already. Also try to do as well as you can for the first 3 midterms i think, because the last midterm sucks balls. the topics on the last midterm wasn't even on the final. and the final is pretty half half. Half of it is honestly pretty easy, and the other half is really confusing. Really focus in on the last unit, and any of the more difficult topics from the previous exams because it WILL show up on the final,

Instructor 3.0
Enjoyability 2.0
Recommend 3.0
Difficulty 4.0
Hours/Week 8.0
Fall 2025
4.7
Average

Prof. Mahmood is the best!! I only went to office hours but when I did he was very kind and gave me a mini lecture to ensure I understood the concept. The course is pretty fast paced but despite the higher volume of assignments with the pre/post class worksheets, they never took more than 20 minutes combined for each class and were very helpful to understand the lecture. Prof. Mahmood gave plenty of step by step examples during lectures and also would tell jokes to keep you engaged. He doesn't record or post lectures so go to every class; if you miss it he posts his notes on the slides but they are confusing to look at without an explanation. There isn't a curve for the exams, but they honestly weren't too difficult. Completing the WebAssigns and study guides was plenty to prepare. The final exam was just a longer version of the midterms with equal difficulty.

Instructor 5.0
Enjoyability 4.0
Recommend 5.0
Difficulty 3.0
Hours/Week 3.0
Fall 2025
4.7
Average

Great class! Professor Mahmood was very chill and made sure to tell some like jokes and let us understand the content before going ahead. Class mainly consisted of lectures, with the occasional in-class assignment. Daily worksheets and pre works were given, and all deadlines were given before hand. The exams were pretty difficult, but were consistent between the different APMA 2120 classes. Overall, would recommend as I had a great experience and I learned a lot of information.

Instructor 5.0
Enjoyability 4.0
Recommend 5.0
Difficulty 4.0
Hours/Week 9.0
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Fall 2024
4.0
Average

Calc 3 has a standardized curriculum between all the instructors, so professor doesn't make a huge difference. That being said, I was satisfied with Mahmood. #tCFFF24

Instructor 4.0
Enjoyability 4.0
Recommend 4.0
Difficulty 3.0
Hours/Week 4.0
Spring 2024
3.3
Average

This class is entirely manageable so long as you're willing to put in the work outside of class. Professor Mahmood's lectures aren't the most engaging, especially by the end of the semester when burnout is hitting but definitely still worth it to go to lectures and make an effort. He's also huge on a mutual respect between him and the students, so he's big on students coming to class, paying attention, asking questions, etc. Ultimately I enjoyed him as a professor, but you have to be willing to meet him halfway and actually do your part to engage in class and show your respect.

Instructor 4.0
Enjoyability 3.0
Recommend 3.0
Difficulty 4.0
Hours/Week 5.0
Fall 2023
5.0
Average

Mahmood the GOAT!!! If you are generally good at math, I recommend taking Professor Mahmood. He covers content pretty quickly and assumes you have a good foundation so if you meet all of those requirements he is a pretty solid choice. The only downside I've experienced this semester is that he doesn't post recorded lectures. He does post the lecture slides with notes, so if you're comfortable learning off of those then you're good to go.
#tCFF23

Instructor 5.0
Enjoyability 5.0
Recommend 5.0
Difficulty 2.0
Hours/Week 8.0
Fall 2023
3.3
Average

For Prof. Mahmood:
For all intents and purposes, having Mahmood is good, or at least better than what the other reviewers say. For me, most of my learning came from teaching myself through the textbooks, so his class served as practice. He isn't super engaging during lectures, so if you don't learn math well through self-practice, I would try for someone else. Though, don't worry if you get him - he explains problems well if you ask, and is very kind.

For the class as a whole:
APMA 2120 content as itself isn't that bad, pretty straightforward for the first few units. Though, the last unit (chapter 16) is pretty hard. This will make up the majority of the content on the final, so be prepared. I spent most of my time studying for finals on that, and it helped (though don't not study the other units). There is no curve on anything, however the midterms and finals were reasonable (no ridiculously hard integration techniques or trig like in calc 2) and fair. There was really no content that Mahmood missed that was on midterms. From talking to other people, it seems like APMA 2120 is standardized throughout the department.

Instructor 4.0
Enjoyability 3.0
Recommend 3.0
Difficulty 4.0
Hours/Week 11.0
Fall 2023
3.3
Average

A lot of people did not like him as a professor but I thought he did a great job and was very accommodating of students. You could tell that he wanted everyone in the class to succeed and was approachable if you had any questions. The course has 4 midterms spread throughout the semester and a cumulative final which mostly focuses on the last unit. The midterms are hard but they are not unreasonable. After the first midterm, you can really get an idea of what they are looking for and this will help you study for future exams. There are also worksheets every class which you have almost 48 hours to complete. The worksheets are not too difficult and you can work with your classmates to complete them. I recommend making a group of other students who you can work through difficult problems with and check answers with in the end. You also have weekly webassigns, usually 2-3 sections. These webassigns do take a substantial amount of time but are usually harder than questions on tests so if you feel confident in answering the webassign questions its a good sign. The webassigns are also an easy 100% since you get 10 attempts per question. There is also a preclass assignment before most lectures which is just a short 5 minute video and 1 or 2 questions which are graded for completion. These are usually just there to introduce you to a topic before the actual lecture. The last grading section are the extended assignments. There are 2 throughout the semester which are basically longer problem sets. These must be done individually but you can get help from TAs or from the professor. I found these to be the most helpful when practicing for tests. Overall, this class is pretty difficult but it has to do more with the content and less with Professor Mahmood. There is no reason to be worried about taking the class with him and as long as you do all the assignments and do a reasonable amount of studying before each midterm, you should do good. #tCFF23

Instructor 4.0
Enjoyability 3.0
Recommend 3.0
Difficulty 4.0
Hours/Week 8.0
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