the subject is hard but he was great at teaching it

The Best prof at OU!!! He loves the trick questions and beautiful equations.

One of my favorite teachers, can be difficult but teaches very well.

It's refreshing to have a prof that cares. I enjoy his energy and enthusiasm even though I often disagree with him that his favorite questions are beautiful

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excellent professor, knows his stuff and cares for his students. he will do everything in his power to help the student understand the material, his enthusiasm is contagious and makes it fun to learn

Always thought math was dry until this class - great sense of humour and enthusiastic teaching style. Always willing to answer and explain questions. Course is a lot of work though - not very friendly to night students

Excellent instructor, care that his students are understanding the material and he is fun! Wish he taught all my math classes!

He requires that you work very hard to understand the material and earn your grade. He is absolutely hysterical in class! Class is almost over for the semester, but I'm sure I'll find that I will be very prepared for my future advanced math courses.

Great teacher. He likes to make sure that you are understanding your work. Tests are so-so. IF you know your stuff... your golden/

Energetic and good at teaching. Maybe a bit demanding, but just try and find a better math instructor at OU

Very good teacher yet hard too. Watch out for those trick questions and beautiful equations. You will definately learn something with this guy.

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I had a tough time in his math class, but it was the material, not him. He was a very good professor.

Best math professor at Oakland

Great Teacher, i'll say that even failing. This was my own fault i had a hard time. He tried to help me and encourage me along the way though. Greatly Recommended

Prof Kruk is very clear in his presentation, and thoroughly explains all material. Don't be alarmed by the extremely difficult testing, he is only separating 3.9s from 4.0s. Highly Recommended Instructor!!!

This is probably one of the best teachers at OU. Just show up for class and do all homework and take notes and your get a sweet ass grade.

Kruk is the best teacher I've had at Oakland...I'm taking his class next semester that I don't need just becasue I want to have him again.

Great Professor. Best teacher that I have ever had in my whole educational history. Definately the best that I have found at OU where there seems to be a ton of sub-par professors.

Calculus is a hard subject. He is very clear and gives great lectures. In order to do well in the class, you have to do a lot of work outside class. His tests are pretty tough. Watch out for the final as well.

This guy is great. He manages to keep the class interesting. He doesn't write the greatest, but he explains the material very well. The quizzes are easy, but some of the exams are tricky.

Hard but fair. If your interested in learning, you will do so in his course. Excellent, understanding, companionate instructor. I recommend him for any course. Even the ones he doesn't teach!

Fantastic professor that is highly recommended. He makes calc not scary.

I love matrices. so linear algebra was fun. Kruk teaches you how to think. Hes inspirational funny, and probably the best math teacher I have ever had.

Not a blow-off class. You will work have to study hard for a 4.0 unless you are gifted in math. Will answer questions but you have to seek him out. Come across as a bit unpleasant, but is really very helpful.

Great Prof. Easy to understand, makes jokes to keep it going. Makes sure you undertand everything and wants questions to be asked. Some tests are hard but if you study you will get it. I would recommend him for any class you can get him.

He's a cutie pie but not easy...study like every day and all day and don't take more than 2 classes with this class if you want to do good...I made that mistake of having 4 classes and 3 labs...the lab is worthless but an easy 4.0

GReat Proffesor probabily the only good one at OU. The math department at OU is really tough but take any class with this professor and you should do good if you put in the effort. The class wasnt easy but at the same time it wasnt too difficult. Just study hard and do really good on the final.

Serge is a good prof. He will go over the concepts with you until its pounded in your head whether you want them to be or not. His tests and quizes are fair, and overall I recommend him. I got a 3.3 in the class which is what I felt a I deserved.

Great Teacher!

Class requires quite a bit of effort, but he's a very fair grader. He is very accessible to students and willing to help as long as you are willing to ask for it. I would definitely recommend him, but be prepared to work hard and learn a lot.

Awesome Professor. However if you want to do well in this class you will need to work really hard. Your grade is purely dependent on the effort that you put into the class. Fair tests and fair grading policy. Likes to use practical applications for problem solving, which I liked a lot. I would definitely take him again and recommend him to take.

One of my favorite teachers at OU. Not a huge math fan and this class was tough, but he definitely knew his stuff. If you didn't get it one way, he'd explain it a different way. I've had some teachers that only know the way the book explains something (that is, they don't REALLY know it). Serge wasn't one of those teachers. I recommend him.

Maybe if people stopped spending time trying to follow the printed out slides or saying " wait, i dont have that slide" they could have paid more attention to what he said would be on the dang quizzes. The problem isnt him, its students wanting quiz/test questions and grades handed to them. For crying out loud,quiz question arent supposed to b easy

The best professor in OU.

Rather challenging course, but if you work hard, Kruk is a very fair prof who has no sympathy for lazy students. In addition to his fairness, he is easy accessible, in person or online through web discussions, so if ever you have any questions, they almost always are answered on time. he knows how to teach, plain and simple. plus hes funny! =)

This class had group projects and only two individual projects. No tests! It is not hard but if you pay attention you will learn very useful stuff. This class is not really math, you don't learn anything new, you just use the previous knowledge in a different way. Now he changed the class there will be exams and tests! :(

Professor Kruk is a very tricky teacher. Be sure to study and do all of the homework. If you don't, you will fail! His famous quote: "This is Kindergarten" when he shows you something that confuses even him!

Definatly take his class. Kruk was a very good teacher. He was always willing to help. He is very sarcatic. If you do your homework you will do fine. He comes off as intimidating at first but don't be afraid to ask questions. He loves to answer them.

Math is math. it'll be hard if you don't like it or know it. it'll be fun if you do. Don't be afraid to take math at OU. Kruk was very kind with curves that made my 64% to an 80% that day was amazing. He can be condescending because math is second nature to him cause he's been doing it for so long. don't take it personally. we're beginners

Best math professor at OU! Hilarious in class! Be prepared for a difficult semester?math is hard in itself, but this guy makes it very amusing ? he made me like math again. Study hard and make sure to go over previous tests, do lots of problems like he says and you?ll be fine.

Class is hard. BOAT LOADS of homework. You have class, then a workshop you must go to. Both require lots of homework. Prof is very good, but if you get behind in this class you are dead. Test are hard. Bottom line here, Do ALL THE HW, GO TO EVERY CLASS, and ASK FOR HELP if you need it. You do this and you'll 3.0+ this class. Kruk rox!

Lets See, Serge Kruk. Very Cute and very helpful. Always will anser questions. The class is hard, however my freind and I have been Studing a couple days a week and we have been doing so good in the class. You have to stay a head of the teach. or you will not get what he is talking about. I know. its also hard to focus. :D

Took MOR-242 as an online class. Not a bad class, be prepared for a LOT of writing for the reports. I found the final to be very difficult. I was getting a 4.0 going into it, and ended up with something less. Make sure you know EXACTLY how each constraint and objective is constructed and why on your assignments and you should be OK for the final.

Kruk moves very fast so if you haven't taken math in a while be sure to take MTH 012 or 011 first.. he is sarcastic but he is basically joking most of the time.. he's reasonable so if you have a problem you can ask him, and he curves the final grade

Kruk is a great professor! It's a hard class in general but he tries to make it as clear and easy as possible. He is great when it comes to answering questions and he keeps explaining until you really understand it. I ended with a 3.3 in the class but without him I think it would've been a lot lower.

good, smart

Cool teacher,Made it easy to learn!

I took this class in the first part of summer, and it does move fast. As long as you do the work (book problems) you'll do fine. A lot of work is needed to do well though, so make sure you budget enough time. He is very enthusiastic and was a fun person. He's sarcastic, and is really good at handling questions and clarifying material.

Took the class in the summer. As long as you do an hour on ALEKS, hour on book problems, you'll do fine in this class. The professor is very helpful and explains thing clearly.

I took this class the first half of summer and of course it was fast paced and demanded alot of work and time. ESP ALEKS!! Book prob. help ALOT!! If we did not understand something, Kruk would take the time and thoroughly explain and make sure we comprehended the material. Professor Kruk is the best Math Prof. at OU! I highly recommend taking him.

I took him for precalc early summer term, and yes, you have to work, but it's obvious that he knows what he's doing and knows how to teach it. He speaks English too, which seems to be a rarity at OU. He grades for details but gives you a break when you work hard. Definitely reccommend

If you take calculus or any other math class, TAKE IT WITH KRUK. He is a great professor and teacher. He is pretty difficult, but I went to his office hours and he helped me out a lot. I strongly suggest him to people who are going into a field that requires a lot of math.

To everyone complaining: math is hard. Prof Kruk is one of the best teachers I have had. If you don't do the work, you will not learn anything and waste your money. He is brutally honest when it comes to your performance, and if you can't handle criticism, you won't make it far in the real world. I wouldn't hesitate to take another of his classes.

Interested in the subject matter? Perfect for you. Not interested? Not too bad either. One of few professors who shows that he wants you to learn, not showing up for tenure like you're showing up for a grade. Pay attention, lectures are very informative.

Professor Kruk is very passionate about the material that he teaches (algorithms) and does a pretty good job at explaining the concepts and providing examples. There were 2 midterms and a final exam, which were definitely more difficult than other CS classes I have taken. But he grades fairly (partial credit) and curves the exams as necessary.

Although Professor Kruk's sense of humour is well... different... he is very good at what he does. He knows a lot about mathematics and if you actually listen in class, you can learn a lot. It is always hard to tell what will be on the test and what wont be because he gets side tracked easily. He offers extra points to compensate for tough grading.

His passion for algorithm design is what made what could have been a boring class interesting. You will have to show up for class to pass, he gives partial credit on tests,and he speaks in a very candid manner. If you are shocked by your teacher saying something is stupid you might be offended, but its no different then how you talk to friends.

Overall, Serge is a great professor. He is very passionate about what he teaches and it really shows. Be prepared to work for your grade. However, you will definitely learn in the process. I enjoyed his class a lot.

This professor is quirky but really fun. He has a great passion for math that makes him very enthusiastic while teaching. You need to be in class and participate during lectures if you want to do well but I loved going to class because the lectures were so interesting.

I learned so much in Professor Kruk's class. He really has a passion for Computer Science and Mathematics, and it truly shows in his lectures. His tests were difficult, but he also didn't expect anyone to be able to get full points, and always curved to accommodate for that. I wish I could take another class with him if one was available!

Passionate at what he teaches. This professor made the class!

Enjoyed him as a professor - entertaining and kept me interested despite it being a math class, and actually explained the topics fairly well. Homework wasn't too bad. His quizzes are basically all credit or none 90% of the time which sucked. His tests, though, bent me over and slammed me deep in the ass. Overall I'd give the class a 6/10

His lectures are not incredibly boring (he has a wry sense of humor)and while there is no attendance grade, a good portion of the examples shown in class end up as test questions. His tests are brutal, this was the first time that I have actually cried after receiving a test grade, but if he offers test corrections DO THEM, they are worth it.

Very though grader, come to work not to play! He is quirky and funny, and very helpful when requested so if the student do not understand is up to the student to ask for a simpler explanation/example. If you ready to learn real mathematical (or any subject he maybe teaching) CRITICAL THINKING, he is one of your best bet. A true university professor

Tough class, awesome professor. He's a great lecturer kept me awake and engaged despite the dry subject matter. He's got a great, quirky sense of humor and is really good about answering questions (be sure to be specific when asking, though). Tests are very difficult, attend class and do the test corrections afterwards to salvage your grade.

Very helpful classes, actually teaches and discusses instead of just lecturing. Always do the HW and ask questions in class and office hours - really helps. Do extra practice and don't fall behind. Quizzes are usually fine, tests aren't easy but he offers test corrections. You will learn a lot from him especially if you go on to be a math teacher.

Prof. Kruk is a great professor and he is very passionate about what he teaches. Grades pretty tough, but offers test corrections. Make sure you do the homework and prepare for the pop quizzes.

Keep on top of the weekly concepts by doing the homework. Ask questions too.

Showing up for class is very helpful, always willing to stay after class to help you (also for office hours), TOUGH GRADER- but he can tell who really works for their grades, high bursts of energy every class, loves to do many examples from the book, slows down if you don't understand something, quizzes and tests only- you create your own home work

Goes through multiple examples in the book and he is really nice. He slows down if you are not understanding the content and go through it more. The only thing is that he can be a real smart +++ when it comes to emails and certain questions.

Dr. Kruk is an absolutely fantastic professor. Offers test corrections, which help raise your grade, but more importantly, forces you to learn what you failed to master for the test. 10% homework graded on completion, 3 exams at 20% each, and a 30% cumulative final. Dr. Kruk is the best math instructor at the university. Take him!!

Gives every chance to succeed in class. Doesn't curve, but often times will offer test corrections and allow a cheat sheet. Overall a great teacher who knows what he's talking about and how to teach it.

Pretty easy class, come to lecture take notes and don't miss workshop and it's relatively easy. Sometimes on his exams he will throw in a curve ball, but if you understand the material and do the chapter tests at the end of each chapter it will be okay. He is a funny guy and personally I get along with him well and found him approachable.

I took Dr. Kruk for Algorithms and while it was tough, he is a very knowledgeable in the subject. I can understand while students would not want to take him for MTH 141 because he is very intelligent and sometimes have hard time understanding that it is not as easy for others. He's a pretty good professor and makes sure you really know the material

With Kruk it's simple, you either love him or hate him. He gives great lectures but can be very sarcastic and funny. It is a hard class. If you do the chapter tests in the book you will do well on his tests since he uses these problems on them. He is intimidating and I often went to my workshop professor for explanations. DO HIS PRACTICE PROBLEMS!

I have mixed feelings about prof Kruk. His tests and assignments are incredibly hard, and he expects you to know (in-depth) the material; which is not good for the GPA . On the other hand, I walked out of this class understanding the material (algorithms), which is a important for most comp sci careers.

I thought he was an excellent teacher. When people were not understanding him, he would figure out a different way to teach it. He asked questions in such a way to make us think. I would definitely recommend him. It is a lot of hard work, but if you think you will get through college without hard work, maybe you need to rethink your future.

Professor Kruk is a good professor. He is a tough grader, but he is a cool teacher. he sometimes makes jokes and is very friendly. it is a hard class, but if you do your homework and practice you will be okay. her recently made the quizzes multiple choice, but don't skip studying, it is essential to do great in them.

I'm glad I chose to take the class with Kruk, the lectures were very entertaining, even though the class was hard. He is a hard grader, but the material lends itself to this. He is a friendly guy, willing to answer questions during and after class. This was my hardest class this semester, but I enjoyed it the most every day due to his personality

Kruk is a very good professor. He's really knowledgable and very invested in his student's success. Allows for test corrections to help with grading, but his actual grading is very strict. Pop quizzes every week, but they were pretty helpful in learning the material. If you want to do well in this class, take his class. Go to his office hours!

This is a difficult class and Kruk is fantastic at teaching this subject. If you are willing to ask questions, he will make sure you understand. If you want a good grade in this class, come prepared, work hard and fast. I can say this was my favorite course at OU.

Entertaining, teaches well, speaks fluent English. Understand the slides in detail before each session. Some quiz and exam problems require applying what you've learned in a situation you haven't seen before. Textbook can help, but unnecessary for good grade. He's either satisfyingly challenging or painfully difficult, depending on who you are.

My favorite teacher at OU so far. He is a tough grader but is fair in the end with test corrections. He answers questions thoroughly and makes sure you understand the concepts.

Kruk is an amazing prof. He is interactive with the class and is funny at times. He is also very good at teaching a subject that is rather difficult to learn. Would definitely take him again without hesitation.

Tough tests. Great class. Take the class seriously and ACTUALLY try and you will pass. Only way you're gonna fail is if you skip the hw AND completely fail the tests. He's more concerned with whether you learned something. Go to office hours. You'll be surprised what happens.....

Best lecturer I've had. Be prepared to be challenged with in class exercises (no grades) which really hammers home the material.

The professor truly cares if you learned the material and is passionate about the material. If you attend each lecture, do homework, and ask questions when you are confused then you will do well. The difficulty in this class lies not with the material or teaching, it is unfortunately that the classes beforehand do not prepare you.

Be prepared to sit in rapt attention as he continues to blow your mind with better ways to create algorithms. He is incredibly well versed in the material and very affable albeit with the bit of CS quirk. A very enjoyable experience and hands down my favorite professor here at Oakland University.

Professor Kruk is one of the smartest and most passionate professors I've had the pleasure of taking a class with. Gives you the skills needed to become a master at algorithms. He's not an easy A by any means, but if you're motivated and ready to learn you will leave the class feeling accomplished and knowledgeable.

His lectures were very consistent with the exams and homework. However, a lot of the time he made me feel insecure to ask questions and often made me feel stupid for asking questions. But he always wanted us to participate and ask/answer questions. But his exams were easy and if you do better on the final it replaces a lower exam score from before.

Learned a lot from professor Kruk. This class is not easy by any means but if you keep up with the lectures and study the slides you'll be fine. He is a fair grader. Wish he recorded the lectures tho it helps to rewatch them before the tests.

Class is very difficult, but prof Serge is a good guy at heart. Study hard!

Had this Prof for the Fall Semester. Was a blast to listen to and learn from. A lot to information, just attend lectures and you should be fine. Hw almost every week, just don't be a monkey.

Dr. Kruk is one of the smartest professors that I had. He explains every hw/test after we complete it and he makes sure we completely understood everything. He sometimes, have hilarious conversations with us which make the class fun and not dry. I loved this class so much and I would recommend Dr. Kruk to anyone who wants to become great in algos.

this class is not meant to be easy, and prof Kruk does an amazing job articulating difficult concepts. He is very intelligent and if you participate in lectures and ask questions, you can learn a lot. This is not a class you can just breeze through, and to get an A you must really work for it. Pay attention and crack a few jokes during lectures :)

Prof Kruk is a good guy, the material is hard and sometimes boring, confusing, etc, but if you pay attention during lecture, ask questions, and work with others during homework and studying you will do just fine!

Strict, but understanding. Strict in the sense that he's in computer science. because the field incentivizes a rigid attitude. But more mathematical based at that. If you wanted a person who loves efficiency, code cleanliness, and perfection, you found him. Helped me develop good coding algorithms and developed my problem solving.

He was great honestly, he loves what he teaches. It is hard to understand but if you do the homework and attend lectures (like he says every class) you will succeed. He has a bit of an ego in his teaching style, but he is very lenient and a great guy overall.

extremely smart and funny professor! one of the best at OU. as long as you show up to class and do the homework, you will be prepared for the exams. he makes exams super fair with the material they cover and hinting at questions in class. i learned a lot from professor kruk and i wish i could take him for every course

This professor is the goat. Rarely I have seen a professor who not only knows what he's doing, but can tie the class to real-life projects and experiences he's had. When I was going to go into algorithms I thought this might just be another class I don't do well in even though I wished to. But he's the exact type of programmer I want to be.

This is the type of programmer I want to be. Someone who cares about their work and makes you feel confident about your future because of the way he conducts himself. A really chill professor who even though has hard material, is forgiving and has cumulative finals. Rarely have I seen a professor who can be so person and make you feel learned.

Professor is very lentient on grading, very good teacher, just make sure you dont miss a class, especially later in the year.

Amazing professor. He utilizes the Socratic method, not just talking at us for an hour and half but LEADING us to the answers so we end up taking the steps ourselves. As such, he is a rare gem among professors. Be led. He will try to engage with you. Engage with him. Answer his questions. Ask your own. Participate and you will thrive.

First, participate during the lectures. Dr. Kruk is engaged, happy to answer questions, etc. Use this to your advantage. Second, do the homework, and do it well. The grading scale is clear and does not demand perfection; do your best, understand the concepts, and you'll be in a strong position for everything else. Dr. Kruk is what OU needs more of.

Great professo