Stefan Doboszczak

This professor has taught: AMSC460, CMSC460, MATH120, MATH140, MATH140H, MATH141, MATH240, MATH241, MATH246, MATH401, MATH410, MATH416, MATH462

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Stefan Doboszczak MATH241 Expecting an A Anonymous 08/02/2023	Stefan is a great teacher, explains the concepts very well and writes easy exams. My only complaint about this class is the amount of exams (4 midterms and final).
Stefan Doboszczak MATH241 Expecting an A- Anonymous 06/07/2023	I struggled a lot with Calc 2, but Calc 3 with Stefan was a breeze. He's a really chill and friendly guy. Stefan is a thourough lecturer and his drawings are neat and clear. His exams are straightforward and directly reflect the content of the course. Four exams with the lowest one supposedly out of 50 instead of 100. The quizzes were also fairly simple and there was no graded homework. There were three MATLAB projects, which were a bit tedious but it's a lot easier if you have people to work with. Stefan's lectures combined with Justin's youtube videos really helped me understand Calc 3!
Stefan Doboszczak MATH241 Expecting an A Anonymous 05/26/2023	Stefan is great! In the beginning of the semester, he said that he's not as amazing as Justin. I think they each have their own strengths. Stefan is great if you have a solid grasp on basic algebra and trig knowledge and you learn from doing a ton of practice problems. Justin is a bit slower and is more catered to the person who has a bit of a rough math background. That being said, I thought Stefan was great even though it had been 3 years since a last studied math. His exams are straightforward, if you know the topic it is an easy A. His group work can be quite a challenge, but with the help of your TA and peers, you can get through it (and its also graded on participation). There are quizzes almost every week, but they are also straightforward (they count for a good portion of your grade). There is no homework, but there is suggested homework. I'd recommend doing the ones for the topics you don't understand well. If you don't understand things, go to his office hour. He's super chill!
Stefan Doboszczak MATH241 Expecting an A- Anonymous 05/25/2023	Stefan is by far the best Professor at this school. His exams and quizzes are fair. For groupwork all you have to do is show up and put a little bit of effort in it and you will get a 100. His lectures are very helpful and he does problems very similar to the exam ones in class. If you don't understand the material, he will take time after lecture to clarify the information. His TAs are very helpful as well. He made Calculus 3 very easy to comprehend and I felt I genuinely learned a lot this semester. TAKE STEFAN IF YOU HAVE THE CHANCE!!!
Stefan Doboszczak MATH241 Expecting an A Anonymous 05/21/2023	Solid professor, exams are very fair/easy, no mandatory homework. Completion graded groupwork on Tuesday and quizzes on Thursdays which were a pain.
Stefan Doboszczak MATH246 Expecting an A Anonymous 05/20/2023	i had math241 and math246 with stefan. in both classes, the lectures were structured very well. exams were easy and straightforward. that said for both classes, especially math246, practice outside of class is absolutely necessary to succeed. For math246, there was no homework, only matlab projects and exams. for math241 there were discussion quizzes and matlab projects, but exams were weighed less. only thing i didn't like was the lack of lecture videos or lecture notes, if you miss a class you gotta get class notes from a fellow classmate.
Stefan Doboszczak MATH241 Anonymous 05/15/2023	Stefan is super organized and a super sweet professor! All his lectures are really clear and he's receptive to feedback and always happy to explain more as long you ask. His TA's are also super cracked and reliable :) overall I feel like I could have done much better in class than the bare minimum, but Stefan's tests/exams are really fair and he goes off of Justin's notes a lot. 🫡 Thank you for a great semester!
Stefan Doboszczak AMSC460 Expecting a B- Anonymous 04/23/2023	I have taken upper level class like MATH405, MATH410, STAT410 and did pretty good with them. I've heard that stefan is great and was really looking forward to take AMSC460 with him, but honestly, I am kinda disppointed. I am not sure why this year is really different from previous year (it could due to change of textbook we used in class). First of all, his notes and lectures are kinda unorganized. Sometime I feel he brings some randomly points that are necessary but just don't explain it further, which makes the lectures hard to follow and also makes me feel stressful. Also his use of variable name randomly change and not matching, (sometimes do bring new variable without explaining the constraint on it). Secondly, I personally feel his problems wording for homeworks and exams are somehow confusing and not consistent. The solutions are usually good, but I am struggling to figure out what exactly he is asking. There is usually one or two typo in the homework which making life much harder. Finally, the exam2 we have this year is really different from the previous year. The exam2 for all past semesters have 4-5 questions, but we got 8. Overall, he is a nice guy. He probably did really good for other classes and for past semester, but in my opinion he is somehow unorganized and making things harder this semester. :(
Stefan Doboszczak AMSC460 Expecting a B Anonymous 04/16/2023	Great guy very chill but his notes are unorganized and messy. sad. homework and exams are fair but have to work extra hard to understand the material due to the lack of organization. stress.
Stefan Doboszczak MATH241 Expecting a B+ Anonymous 12/29/2022	One of the best Math professors here. To this day, I'm convinced Calc 3 was easier than Calc 1 and 2 because of the way he taught the materials.
Stefan Doboszczak AMSC460 Expecting an A+ Anonymous 12/23/2022	Very fun class. This semester he experimented with a final project rather than a final exam, so the last topic of ODEs was never tested / elaborated. Taught everything else very well.
Stefan Doboszczak MATH410 Expecting a B- Anonymous 12/16/2022	Had the opposite experience as others. This class is statistically known to be the HARDEST class for math majors by far. From my experience, he would always leave proofs half written and have students figure it out on their own, and sometimes he would look at his own proofs and find small errors. Before exam day, students requested he go over the whole practice exam for review since it would be great knowing the difficulty of the material, but he simply refused.
Stefan Doboszczak AMSC460 Expecting an A+ wmy78b 09/02/2022	I took this course in SUMMER and it was async. Professor Doboszczak is good at teaching. His notes and videos are fantastic. Homework are challenging and you need to spend long time on them. The exams were all multiple choice questions and you need to be familiar with all the important things. The total grade was fine and I did good job.
Stefan Doboszczak CMSC460 Anonymous 07/09/2022	Professor Doboszczak is a great professor. As an engineering major I have taken just a few math courses throughout my degree.... and Stefan is definitely one of the best I've had. He doesn't just go over the most basic example in lecture and give you the hardest problems to solve for homework. He gives a great balance of examples and theoretical explanations and gives challenging but solvable homework problems. He gives great practice exams and plenty of additional resources to learn the material. The only downside is that he doesn't release answer keys to the practice exams. So you should work on them well before the exam so you can get assistance from him or the TA's if you're stuck. The course, though being titled computational methods, has a lot of cool information regarding the IEEE floating point standard, how computers store numbers, and how to figure out how accurate your answer can be on a given machine (single precision vs double precision). The second half of the course I found to be more challenging as it is the more theoretical mathematical concepts you see on the course description (interpolation, quadrature, differentiation, etc). I was weary to take this class after being required to take so many math courses -- but I actually enjoyed every lecture I watched because of Stefans teaching. I would 100% recommend this course to anyone that has the option to take it.
Stefan Doboszczak MATH246 Expecting an A+ Anonymous 05/24/2022	Stefan's a nice guy and pretty smart but he isn't good at teaching the material in an understandable way unlike other Diff Eq professors such as Kendall. He does not really teach the concepts or reasons around topics, so you'll have to learn it outside of class or learn from your peers who took another professor. His exams are a little too easy, and it sucks because the average is so high and making a mistake will put you below. His exams also don't prepare you for the culmulative final, because his exams were much easier than other professors'. When reviewing for exams, I found that a lot of my peers who took another professor were taught to actually understand the material and taught helpful shortcuts and tricks. It will help a lot if you took linear algebra before you take diff eq, and you won't have to learn it outside of class because Stefan went over lin alg basics once and expected us to be knowledgable on a lot more when most of the class has never taken lin alg (bc its not a pre-requisite).
Stefan Doboszczak MATH246 Expecting an A+ Anonymous 05/22/2022	Stefan's teaching was well organized and clear. In general differential equations is a tough class that covers many, many topics however his lectures covered everything that was necessary. Stefan went over several examples in class to show us how to do the problems. His lectures were straight into the point, but he also provided some intuition for why we did certain things. Most of it was just applying an algorithm or formula though. In addition, he provided suggestions from the textbook for the class. This was never required, but doing these problems strongly prepared you for his tests. The only graded homework we had was MATLAB assignments, which were fairly easy (you had infinite attempts). The tests themselves were fair. The problems were similar to those from the textbooks, so if you studied those and went to lecture you should be prepared. The final exam was more difficult however, but it was a common exam between all lectures. The grading on these tests was fine, and his averages were higher than other professors.
Stefan Doboszczak MATH410 Expecting an A Anonymous 05/19/2022	My favorite professor at UMD. you can tell he's very smart and really loves math, and is always great at explaining material. he's also super approachable and loves answering questions. homeworks are fairly challenging but if you just pay attention in class and takes notes you'll be fine (he grades most of the hard problems for completion anyways). exams were fair and individually curved as needed. 100% take him if you have a chance for any class
Stefan Doboszczak MATH246 Expecting a B+ tortoise7 05/18/2022	Gives clear examples during lecture and fair exams. He's a good lecturer which made this class feel not as hard as it actually is.
Stefan Doboszczak MATH246 Expecting an A+ Anonymous 05/16/2022	His lectures were great, things were always clear and concise. We always did ample examples and his exams were very fair. His exams consisted of content directly covered in class and not content from a random textbook made 60 years ago. He's a calm, nice guy and likes to tell jokes in class. Would love to take his higher level math courses but I'm stuck on the waitlist :(
Stefan Doboszczak MATH246 Anonymous 05/15/2022	Overall great professor.
Stefan Doboszczak MATH246 anon154 05/05/2022	His exams were very fair and on the material that we went over in class. His averages were always much higher than other professors and its very worth going on the waitlist for any of his classes. His lectures are filled with examples and him writing everything down on the blackboard in neat handwriting.
Stefan Doboszczak MATH241 Expecting a B+ Anonymous 05/05/2022	His exams are very fair and the averages are always higher than other professors. If I could, I would take every class with Stefan. The way he teaches is very clear and makes me want to go to class. He enjoys what he does and kept me engage each class by doing relevant examples. He is hands down the best professor at this university and deserves the world.
Stefan Doboszczak MATH410 Expecting an A Anonymous 12/21/2021	Fair exams and good lecturer. Highly recommend him!
Stefan Doboszczak MATH241 Expecting an A mewuzhere 12/16/2021	Stefan was great. Decent lecturer and would focus on the important information and not waste time on overly wordy proofs (unlike Gulick for Calc 1 and 2). The course structure was amazing. There is a great balance between non-exam and exam grades. The grading is clearly outlined and followed throughout the semester, we even got more quizzes dropped in the end. The discussions were very organized with a groupwork worksheet on the first day of the week then a quiz on the second discussion of the week. Exams were extremely fair and usually followed very closely with Justin's exams, which makes studying for them very intuitive. I would go out of my way to take Stefan again.
Stefan Doboszczak AMSC460 Expecting an A- Anonymous 08/30/2021	Solid teacher, good lectures. Very responsive to questions via piazza, exams were pretty easy if you did the homework.
Stefan Doboszczak AMSC460 Anonymous 08/24/2021	Completely agree with all the other reviews - his lectures are clear, the assignments & exams are fair, the course is well organized, he answers emails/piazza quickly, and the material was interesting.
Stefan Doboszczak AMSC460 Anonymous 06/28/2021	Solid lecturer and gives very reasonable exams and assignments.
Stefan Doboszczak MATH410 Expecting an A Anonymous 06/22/2021	The best math professor I've ever had, even better than Justin. I was prepared to take what all my friends have called the worst math class for a math major and understood everything he went over. He always answered the questions that students had in lecture and also had very generous curves. Take him for anything you can.
Stefan Doboszczak MATH416 Expecting a B Anonymous 05/17/2021	Very generous with grading. Any homework if you emailed him he would give you an extension. Office hour appointments out of scheduled times if you asked, and generous test grading. Very fair teacher for a wicked hard class.
Stefan Doboszczak MATH240 Expecting a C Anonymous 05/12/2021	Stefan is a pretty good teacher. I think his exams were also well-designed. Never any trick questions. If you did the homework, you can go into the exams fairly confident. And there were no quizzes in discussion sections or anything, so you can safely skip them. The only thing that bugged me a bit is that he switched from synchronous to asynchronous lectures a week into the semester. I prefer synchronous lectures, but it's not that big a deal because Stefan was active on Piazza, so you could still get questions answered there.
Stefan Doboszczak MATH241 Expecting a B Anonymous 04/15/2021	Honestly one of the kindest professors I’ve had at UMD. I wasn’t a fan of Justin as a math professor but Stefan really set the bar high! We writes notes during class and later uploads them + a video. Office hours are helpful too and exams are fair.
Stefan Doboszczak Expecting a B+ WallyLoh2 04/12/2021	Explains concepts very well. Gives fair grades and fair exams. Work load is not too bad at all.
Stefan Doboszczak MATH240 Expecting a B+ Anonymous 03/10/2021	Amazing professor. Explains things very well, answers questions in a helpful way, and tests are extremely fair.
Stefan Doboszczak MATH141 Expecting a B+ Anonymous 01/12/2021	I had Stefan for MATH141 (online - fall 2020). He is an excellent professor, explains things very clearly, answers emails, and is very personable. I highly recommend taking him.
Stefan Doboszczak MATH141 Expecting an A Anonymous 12/26/2020	I felt so lucky to have Stefan for 141. He is straightforward in his lectures and explains concepts pretty well. Best of all, he doesn't throw any curveballs on his exams! If you attend his lectures, go to your discussion section, and do the WebAssign homeworks, everything on his tests will look familiar. I actually found the exams significantly easier than the homework. Best of all, he's a really nice guy and brings a bit of humor to his lectures at times. Don't settle for a lesser professor, take Stefan!
Stefan Doboszczak MATH141 Expecting an A- Anonymous 12/23/2020	I had him for online this semester His lectures were strong and his exams were quite fair. His lectures are not mandatory and the exams were open notes due to covid. He does curve exams if the class does poorly on it
Stefan Doboszczak MATH120 Expecting a B+ Anonymous 10/26/2020	He was a great professor and was actually able to teach.
Stefan Doboszczak MATH401 Expecting an A+ Anonymous 06/08/2020	Stefan is great professor! He is very clear about class expectations, and spends a lot of time working with students to ensure they get class concepts.
Stefan Doboszczak MATH120 Expecting an A Anonymous 06/08/2020	Lectures can be a bit boring but he does a good job in explaining concepts and answering questions. There are a lot of homework assignment due (at least 2/week) but he drops 8 of them. The discussion worksheets are group work and he also drops the lowest 4 worksheets.
Stefan Doboszczak MATH140 Expecting an A- Anonymous 05/15/2020	Great professor! Math140 is a challenging course and Stefan made it very understandable. Great guy and funny too. Lectures could be boring, but is math so what do you expect
Stefan Doboszczak MATH120 Anonymous 04/25/2020	Best MATH120 professor!! He explains things clearly and he's a very fair grader. I think doing well in his class is very easy if you study and go to the discussions.
Stefan Doboszczak AMSC460 Anonymous 12/22/2019	Awesome prof who teaches well and is very organized. Exams are not hard as long as you study like a normal person.
Stefan Doboszczak AMSC460 Anonymous 12/15/2019	In my opinion, Stefan is one of the best math professor's at UMD. His lecture's are clear and easy to follow, and he teaches with a lot of personality, making the lectures more fun to attend. He assigned homework once a week, but was very flexible if we needed an extra day or two to complete it. If you go to class and complete the homework you can do very well in the class. I HIGHLY recommend taking him for any class if you get the chance.