Terrible, keep copying the note on the blackboard all the class. no examples, only theory!!!

This professor is so so so terrible! Every week you need to a lot of HW including 25 online difficult questions and 9 prove questions in hand writing. He has already packed many students from HW. He also requires us read textbook every week and submit a summary to him. However, he doesn't teach anything in class.

If you are planning to do three hw every week then go head and take it. otherwise take the mat203 instead of ams. he thinks his class is the only class we are taking. hw are extremely hard n his lecture note has little to do with his hw. avoid it at all cost

worst professor in ams department. ridiculous amount of homework, lack of sympathy to students. Avoid him and take MAT203 instead of AMS261. He can speak proper english which is the only thing that is good about him, but he talks to himself all the time.

Terrible professor. Harsh grader. Three weekly home works. Lectures are useless because he shows no examples. Avoid at all costs

This is the worst math class I have never took in my 18-year's life. I feel like don't want to learn math any more. Worst professor in Stony Brook AMS department.Using his own way to teach in class, and grade the exams with no reason. He does not know how to be a teacher at all!!

he is a horrible professor I meet in Stony brook. if u have choice ,then please don't choose his class. He give us example without solutions, which means u don't know the right answer even u finish it. he also give too much homework for this class.

He is so mean to students. DON'T CHOOSE HIM!

The worst ams professor I have met in STONYBROOK so far.

I would never take his class again in my life. serisouly!

He is the worst teacher in StonyBrook. He don't care about student and don't know how to teach.

Just horrible. The amount of work we do for this class does not prepare you for the exams, and the lectures make things even worse. It's a reasonable concern, when the TAs are even confused of how the professor is handling things. AVOID at all costs.

If you want to get depressed over school and are looking for a reason hate someone, take AMS 261 with him. Pointless lectures on power points,Impossible homework, and impossible exams.

He is useless and hope everyone can fail his class. U will get Q if ur answer for the Hw is same as the textbook answer.

Although he gave us a really hard exam, he admitted it. And he spent 53 mins talking with us and trying to find a way to improve. Anyway, I believe if a teacher is willing to spend time talking instead of ignoring, he will be a good teacher.

This is my first time to hate someone so much. He is not a good professor, I won't take his class again forever.

The average of exams are all around C and we feel like we are so disappointed with this class . Homework are so hard but it still only few percentage, its not worth we taking so many time to do it.

It seems like huge amount students are not gonna get a c to pass this class, professor teach so bad and most of the students said the test can not show their work and so unfair, hope he can give more calculate question in the test not the theory to worth its name which is cal3.

Do not take his class expect you want to failed in his class after spend more than 10 hrs every week

I think said "Good Quality" below was professor himself.

Class is useless, he does not give examples,he gives very long homeworks that teach you nothing. He is pompous, and he smiles when he tells the class that the average on a test was a 50. He expects you to be able to take a decently long exam in less than 50 minutes, and does not give partial credit if you can't finish a problem within the time.

This guy gives us so much homework during a week yet it is so irrelevant to the exam material. He does not respond to any emails I sent him throughout the semester, 6 to be exact. Also, he is very rude when talking to him in his office. He focuses a little too much on theory even though this is applied math and the average for the class is a 50.

If you like to learn on your own then by all means take the class, his tests are okay if you're good at teaching yourself. But if you want a good professor and a good grade, do not take this guy.

Avoid him!!!

This guy is ridiculous, what else could I say. I got a B- in the course even after pretty much acing the first midterm and slightly above average for the next two. I also performed well on the final, yet got a B. Spent immense hours on the course for a low grade. This is unlike other student though, most failed the class or got C's. Avoid!

I can honestly say this is the worst class I've ever taken in my entire life. I got 20 points above the 30 points above the average on the 1st midterm, 35 above on the 2nd one, 24 on the 3rd one, and still ended up with a B+ in the class. I can't imagine what the criteria is to get an A.

PLEASE AVOID THIS PROFESSOR. I did pretty decent on the midterms and the final, but I still ended up getting a terrible grade. Not only were his homeworks long and tiring, they also did not prepare me enough for the tests.

Avoid this professor!!! His lectures are completely useless, since he doesn't do any relevant examples in class (I learned more in recitation with the TA than during his lectures). His exam questions are way too difficult and are nothing like the questions given on the homeworks (which are way too time consuming).

Worst professor I met at AMS Stony Brook

Mean to students.

Very bossy indeed. Do not care about students'' future but his bio related research...

Gives three homework every week, reading, written, and online. Covers alsmot nothing useful in lecture. If the homework includes three sub-chapters, expect him to not even cover the first sub-chapter in two one-hour lectures. My TA teaches more than he does. Save yourselves kids.

LOL. -- perfect description for this guy. Worst professor I have ever had.

facts about him: he takes off 20 pts from exams if you look at it before it starts. the avg is already around 55 for midterm1. 3 hws every week. doesnt give answers for practice exams. told us he doesnt care if we pass. expects youll have a perfect understanding from just reading the textbook. teaches thru ppt. please dont take this class.

Avoid this professor if at all possible. 3 homeworks a week, and lecture is a waste of time. Any other professor will do a better job at teaching this class than green, with him you are going to be teaching yourself entirely from the textbook.

Worst professor of all time. Provides misleading materials about what will be on the exam. The endless amounts of theoretical WebAssign homework that is meant to "prepare" us for the tests is completely unrelated to the abstract application problems given on the exam. Awful teaching ability. Avoid at ALL costs.

Just save yourself the trouble, wait and take another professor.

This is how bad this professor is- I didn't even take this class, my friend did, and I hate it. He seems to be a very incapable professor (he might be a smart guy) but seems to have the worst teaching capabilities. He seems to have it out against the class to make everyone fail. Doesn't actually teach, just tells you to 'think' (and then get an F)

Horrible class, take MAT instead

3 HW, more than 7 Hours every week, average 55/120 for first and second exam, grade depend on his feeling on your performance, very bossy guy, average is around C+, no answer key of practice exams and exams, never get HW feedback, it all depends on your own study from reading the textbook

3 exam and 1 final, lots of HW, boring lectures with less than 1/3 students in class, and a low grader, never care about the future of his students, only care about his bio research, grade exams and HW very late, not get the grade of the second exam until Nov 25., very irresponsible professor.

Go to his office hours, he's a cool guy. HORRIBLE professor. You won't learn a thing and might end up failing.

Was not a very efficient at teaching. More than 2/3 of the class stopped going to lecture after the first week. Teaches everything from slides and does not do a very good job explaining them. Barely does example problems, gives tons of homework that doesn't even help. Would not recommend taking this class unless you want to selfstudy from the text

David Green doesn't give a crap about any of his students. All he cares about is his research. I have never had such a terrible professor in my life.

Never replies to email, bad lecturer. This individual should not be paid for teaching.

Well where do we even begin. Homework is not remotely similar to exam. About 12 hours of HW a week, and it doesn't help you on the test. Overall just a horrendous experience

Just No. Don't take AMS 261 with him unless you want to learn 100% from powerpoint slides, have 3 hour webassigns, 2 hour written hw, and reading assignment. His test are hard and wordy.

Be prepared to do 10-15 hours of homework outside of class a week. Homework does not come close to resembling the test. Awful lectures. Reads straight from the slide shows that are difficult to understand. Rarely does example problems. Does not include answer key to practice exams because "you should know if you're doing it right."

David Green is a godawful lecturer and time manager. This class requires you to suffer through 10-20 hours of HW per week only for you to realize David Green doesn't even grade your homework. He didn't grade our last two midterms and it is 2 days before the final. To pass, use Lamar Calc III. It's a life saver from this abomination of a math class

You have readings, which you almost need to write summaries on, plus web assign and written homework every week. It will take forever, however thats the only way you learn since his lectures put you to sleep. I've never hated math before his class. My final is tomorrow and he has seriously only graded the first midterm. Most people stopped going.

Absolutely the worst professor I have ever had. Avoid David Green at all costs. He has no idea how to teach and does not even have a degree in math. Tomorrow is the final and he has only graded one midterm out of three, and zero of the homeworks . Completely apathetic towards his students and actively works to make his own class intolerable.

He brought his infant child to class on the day of the final exam. All you could hear through out the exam was his kid screaming and crying. -45/10. Do NOT take this class.

I really don't want to say anything for this class, but never take it.

One of the worst professors I have ever had the misfortune of having. Insane amounts of homework, terrible lectures, never grades anything on time (going into the final only 1/3 of my midterms were graded, none of the homework) In addition he brought his infant daughter to the final and would not take her out when she started crying. AVOID.

He gives so much homework and doesn't't give you a grade for it all semester, despite having TAs who are supposed to help grade. He brought his child to lectures often and the final, which was extremely distracting (especially when she cried). Grades assigned seemed arbitrary (A 65 was the only grade I got back all semester & I got an A)

His lectures were all through power point. There is a large amount of homework (approximately 7 hours a week on average), however the homework was basically the only way I learned the material. Tests were difficult but fair for the most part. Recitations were helpful. Grades for homework were not given back which makes it difficult to prepare.

Literally takes off points for the most minor mistakes that have nothing to do with the concepts taught in class. Get ready to get more than half your points taken off just because you accidentally subtracted instead of adding, even though you clearly understand the topic. A complete sadist!

HE IS TERRIBLE

bruh.

His handwriting is borderline hieroglyphic. His spelling is atrocious. His homework is absurdly long and difficult. His tests are difficult. His attitude is condescending. His solutions as well as the textbooks he uses are riddled with typographical errors. Also, doesn't give any examples? Like really? It's just a mess. Avoid.

no thank you.

Do NOT take this professors course. He is the worse professor Ive ever met.

Worst professor Ive ever had. He repeatedly lost his temper and yelled at students, threatening to kick them out of class. He has kicked students out of class, in fact. And this was a graduate class, with graduate students, not undergrads.

Doesn't care about his students, unprofessional while responding to emails, and just did a terrible job of actually teaching.

Online classes with this professor are horrible, he gives 2-3 hours of pre-recorded videos every week and 4 chapters out of 2 textbooks and expects us to understand the material perfectly. Tests include insanely difficult conceptual questions that are designed to ruin your grade. Zoom calls are useless and weekly quizzes are atrocious

I dont even know where to start with this class. If you're good at teaching yourself material and dont want to go to class other than to take quizzes then this is your dream come true He uses old, pre-recorded videos on youtube to teach you the material and tell you to spend 12 hours a week doing homework. Homework is brutal and frustratingly long

why do I pay tuition for a professor who assigns us work taken straight out a textbook with nothing original. Never taught a single thing and was all self taught. He is there to just grade and take credit off your work for bs things. Math has always come easy to me but this class has somehow made it difficult. This guy doesn't teach.

Plz don't take this course.

He seems chill at first, but you'll quickly see how evil this man really is. The class was 50% HW and 50% quizzes. The HW was really really long and the quizzes are terrible. Get ready for LOTS of reading, because he doesn't teach during lectures and only goes over problems. AMS should be easy but not with green, Take MAT 211 instead!

David green teach everything, but he never teach AMS.

Hard and lots of quiz, hard homework, never teach in class.

never teaches

save yourselfs, stay away.

Stay away guys

Stay away

Summary of the class: Learn the materials at home. Mandatory to come in class to ask questions about the homework that you 102% did not understand. Quiz every Tuesday. I personally dislike this style.

This professor is beyond terrible. He does not teach the material at ALL. There are prerecorded lectures, but they are EXTREMELY long and contain only a surface level overview. When he answers questions, he will easily spend the entire lecture explaining something that should take 5 minutes max. The ONLY plus to this class is the lack of exams.

just save yourself.

Bro is a professional yapper. You can ask 1 question and he will talk about it for the entire class and it will not make sense. He gives quizzes every week related to homework that are difficult for no reason. He does a flipped classroom so you will teach yourself everything. Just stay away and choose a different professor.

Online lectures are useless

given the choice between retaking this class and joining the army id be at camp pendleton right now

End me, please!!!

Your final grade is as good as the weakest subgrade.

it's hard to say

Grown adult who threw a temper tantrum because someone mumbled, and as such had to threaten to fail and prevent people from getting an A because nobody knew who spoke. A 90 minute lecture, forty of which were dedicated to being a control freak, unable to handle a student that nobody heard. Teaches nothing, also, so a waste of time.

Positive: quizzes are easy,hw based. Lectures required, boring, nothing taught. Professor Greene had meltdown when some1 talked 2 separate times, threatened 0 on quiz for all. Even made us write promises it wasn't us. Said if we spoke or were near speaker he would give us an F. Also took photos/recording of the class during this incident. Weird

One person in the lecture of 200 ppl was talking and david green threatened to end the class and give everybody a zero for a quiz if the person didnt reveal themself. Then he forced everybody to sign a paper saying that they didnt know who was talking and if they did, they were a liar and would instantly fail the whole course. Says enough about him

He creates a very unsafe learning environment when he threatens to give every student in his class a 0 because he was "disrespected" by a student talking in his class. He doesn't often teach because he did so a while ago and just posts the lectures for you to watch and come in (which is mandatory) and ask questions. 0/5

Just don't take him

Had him when he replaced McCarthy after his passing. The difference was night and day. McCarthy would teach exactly what was on the tests, while Green would yap about 100 surface level concepts in a 300 level course. Prepare for self teaching. Can't speak to difficulty as he inherited McCarthy's class.

My first year at Stony and I have to sit through this yapper 2 days out of the week. You learn absolutely nothing in class and he slams you with 4 hours of homework after teaching you a whole lotta nothing. He had a meltdown over someone discreetly whispering in a FLIPPED CLASSROOM and threatened to fail the whole class. Don't even bother with him.

Who is speaking!!!!??????!

ain't no way this dude had a meltdown because someone was whispering, mind you very discretely, in a class of 200 people. Just do not bother with this dude.

If there was a 0 option that's where I'd put him. I'm not even sure why this mf even has students after the bad reviews and reputation he has.

Went into this class thinking it wouldnt be too bad, I was wrong. hours of homework every week, lectures that dont really help hw or quizzes at all. Ended class because someone spoke a word, a few lectures later someone spoke and he threatened to fail the class unless someone snitched. Im honestly just mentally tired of this, please do not take him

Yo who hired this guy

what a joke. he's hilarious. hilariously bad.

WHO IS TALKING?!

Professor Green bases all of his quizzes on the homeworks that he assigns each week that can take up to 14 hours to complete. It doesn't help that a lot of the video lectures he prepares does not help at all and eventually, you'll have to find other videos online to help understand core concepts.

Nothing...

Zero homework grading criteria: can just make up any grade he wants. Attendance lecture is mandatory but useless as he doesn't teach anything in class. Avoid at any cost

terrible teacher and very unreasonable and doesn't care at all about students

With earrings and a high pitched voice, this cutie pie presents himself as some authoritarian presence but ultimately a capable lecturer. He's not. He's not only performatively authoritarian, but also sucks at teaching. He had an hour long tangent about how to find a line perpendicular to a plane. He sucks but you can get an easy A with him.

In the previous year, he threatened to fail the entire class over a whisper nobody heard. This year, he threatened to fail 30% of the class for doing the in-class polls at home, and when people discussed it on reddit, he started yapping about "stop getting mad at your professors on reddit." LIKE??

Take this class only for the credit, not if you want to learn. The professor doesn't teach anything but you still have to go. You are expected to learn all material outside and do homework. In class he reviews 2-3 homework problems and reads off slides. Your grade is mainly dependent on whether you submit the homework on time which takes 10+ hours.

David Green is an extremely bad professor. I HIGHLY advice any student who needs AMS 210 to take it with someone else. Green's class promotes last second cramming, and learning topics right before the quizzes. Because topics are not brought up again most student's spend extreme hours on his class and then don't remember anything anyway.

The class is genuinely concerning with how many incidents we have in a year. We also don't really learn much.

His lectures should be used as a form of torture. Don't take him.

How is him still a professor? My grandma can do better then him

Avoid taking him very interested in reporting to Academic Integrity rather than teaching

Participation is required for a high grade but the lectures are not helping at all. Videos on YouTube are more understandable than the lectures.

don't take him

This course requires a significant and consistent time commitment throughout the entire semester. Students should be prepared for a heavy workload, including weekly problem sets with a large number of questions and regular in-person quizzes.