This teacher is very very hot! Who cares how he teaches he is so cute he's worth just sitting in his class.

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Erich is a smart and demanding teacher. It is not easy to get an A in his class, but not an impossible mission, too. He is laways ready to help if you encounter any problems.To succeed in his class you have to be really sharp on math and logical thinking.

He he knows math but his test are hard I had to retake the class.

Very helpful and very fair

He is a very helpful advisor and precalc teacher. His lectures are clear and stresses exactly what will be on the test. No quizes no graded homework just tests and a final. A very fair graded...A+

nice, very clear, but his test are soooooo hard

He's a very nice guy, but his tests are difficult.

AS A PERSON ERICH IS REALLY GOOD AND FAIR. HE DOES NICE ADVISING, BUT IN THE CLASS AND TESTS YOU HAVE TO THINK VERY LOGICALLY. HIS TESTS ARE VERY LONG. HE ASKS 28 TO 30 QUESTIONS IN 50 MINUTS. IF YOU ARE REALLY REALLY GOOD AT MATH, THEN ATAKE HIS CLASS, OTHERWISE I DONT RECOMMENED HIM.

Very good teacher.Little hard on test but all u hv to do is understand material he covers in class and u'll do good. Highly recommended!!!

He is a very good professor!!! He is also very awesome at being an advisor, helping students plan out what courses to take and to take care of the transferring business. He is also willing to help out his students to learn the material, meaning the student has to see him on their own time. Awesome!!

He is a great person, but a horrible instructor...and this is coming from someone in honors. His test are next to impossible, and he is not clear on his material. I would highly recommend that you look elsewhere to learn Math 131 if you can.

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He is a good professor and teaches and presents the material well. Only drawback is that his classes' grades are primarily test grades... no homework/attendance grade, no extra credit, and no curve. To overcome all of this, one must study and really work f

Erich is a very skilled instructor. If you do all your homework, his tests are very "do-able." He always makes everyone feel very comfortable to ask questions in class, and he is very welcoming with his office time if you need extra help. He is an excellent counselor also!

I took the Math 131 class. Maybe it was just that particular class, but 3/4 of the class dropped by the end of the quarter and I think that only a handful passed the class. Besides that, Hauenstein is a really smart, non-geeky math prof that cares about his students. He does a good job of making sure you're ready to go on to the next level math class, and if you're not... you wont go on.

Helpful and fair but be warned. His tests are the hardest things I've ever seen. It took me half the quarter to realized getting the RIGHT answer was pontless and to just show that I knew HOW to do the math involved. THEN check my answers...if I had time, which I rarely did. I'm an average at best math student and wsa able to squeak out a B

nice guy, horrible teacher. tests were impossible, only did examples from the book which were already done for us in the book. really liked him as a person, not as a teacher.

Prof. Hauenstein gives clear examples in his class and explains each topic thoroughly. There is no need to take the final exam if you feel that you've already passed the class after the 4th test. Although he was frequently late, he is a great professor!

He likes to talk, a lot. A lot a lot. Like, he never stops the two hours you have him. Even though the algebra is super simple. He's a nice guy, very friendly. But his class bores me, even though I love algebra. He gives a lot of homework, but doesn't check it.

awesome teacher

Extremely knowledgable, approchable, and professional. He does not take attendance (thus it is not part of grade) and homework is optional. However, you will not do well in class if you are absent or unwilling to try some homework. Good teacher for those of you how do well on quizzes and tests, that is only source of your grade. I am taking again

He's such a nice teacher! Extremely helpful and always willing to work with you if you don't understand something. I would definitely recommend him to anyone! Class was hard, but he is fair with his partial credit. Then again, Calc is always going to be hard! No final for his class!

great teacher......makes up many lame stories that help in many math problems...best teacher for math in all of college of dupage

Alert, alert! Best math professor at COD. Try to take any of his classes if you can. This guy is so helpful and essay to understand. Plus, his class policies are extremely reasonable. You deserve a teacher like him!

Not a bad teacher, just okay. Homework was never assigned and tests/quizzes were the only grades. I wouldn't recommend him if you suck at test taking (like myself). However, he was extremely helpful if you asked for it. Not the worst math teacher I've had at COD.

He is extremely easy going. He is very clear and makes math easy to understand. He is very helpful and willing to assist you if you're struggling. He does not require attendance and there is very little homework. He's a great teacher if you have a difficult time with math.

Nice guy but his tests are harder. He would show and example but once he tests you it is much harder and complicated than what he taught. I swear he tried to trick us everytime... very frustrating.

He was not an easy teacher but he was a very good one. Always willing 2 help, explained everything well, gave3-4 examples of each problem, made you think! Test n quizzes weren't easy but if you really focused he's an easy B! Recommended for new college students who aren't that great @ math. He's an outstandin example of what a teacher should be!

He is aight. i really meant he is aight. If you want to get B or lower you should take it...too much work! quizes almost everyweek...and just not that good. His exams are some of problem from quiz but still its not easy to get an A in his class. bottom line i wouldn't recommend ya to take him

Erich is one of the best teachers I have had at COD so far.I am terrible at math, and this is my second time taking 0482-very frustrating.No,the material is not easy, but if you make the initiative to get extra help outside of class,he is willing to do whatever he can to help you pass with at least a C.EXTREMELY helpful if your're willing to ask!!

Great teacher!!

Extremely helpful and accommodating. I had to leave the class a week and half early and he made it easy to finish up the class on my own in time for me to leave. The material can be hard but he's generous with partial credit and is helpful if you show up to office hours. I'd definitely recommend him to anyone looking to take calc.

Prof. Hauenstein in the most amazing math teacher I' ever had.If you're not interested in math and just want an easy grade, forget it. But if you enjoy being challenged and love to learn ,he is the best mentor ever.You'll leave the class with a throughout knowledge of whatever he's teaching, he is very smart and dedicated .

he is one if the best teachers that i have ever taken, you want to pass then attend his class, and look forward to doing your homework, a really easy teacher to learn from, very detailed on his work which makes it easier for you to understand. i took him for 0482, 0482, pre calc and passed with an A or a B on all of them. i recomand him overall

Stop deliberating and take his class. Your search for the perfect math prof has ended with Prof. Hauenstein. Incredibly helpful. You can tell he gets enthusiastic about math; it's cute. Tries to build rapport with you; great. Stop reading this and take his class!

Great math teacher. He is the perfect teacher for anyone who struggles with math. He told you from the first day that he would do everything he could to help you pass, which is true. His classes are not dull, sometimes he adds humor to a boring math lesson. Very likable person. Willing and eager to help and takes time to re-explain things.

He was awesome. Super nice and helpful. Always had time for me. He knows how to teach math so everyone understands. One of the best math teachers at C.o.d take his class!

He is awesome Teacher, very helpful and goes into depth with his lesson to ensure that you understand the material.

He is awsome!! I have a learning disability, his teaching made me feel like I was a wiz at math. He uses alot of analagies, to help you understand the math. I would seriously reccomend this guy. You can tell, teaching isnt just a job to him.

E. Hau is the man to go to if you are in need of some serious help in math! He is a GREAT teacher and always willing to set aside one on one time if you need help understanding material....take his class!

I did very poorly in math during high school, but Mr. Hauenstein made it very easy for me. He is fun, easy to listen to, and makes class easy because you WANT to do well for him. He is very encouraging and respectful. I would highly recommend him for those who struggle with math.

he is apparently a great teacher for precalc. but for calculus DO NOT TAKE HIS CLASS. my entire class failed. the test averages were below 50%. although i did my homework and understood the material, he somehow found a way to fail us all. doesn't care about his students grades

I geniunly have a lot of respect for professor Haunstein... I took him for a summer course..and though he is a helpful professor... an 8 week course IS NOT EASY AT ALL..if you do not put in hours of hwk and studying to pass..I do reccomend him..but let me tell you again it he will not make it any easier than it actually is.

Precalc in 8 weeks is hard, but Prof H was very helpful.

I took this Calculus course thinking it would be easy since I took Calc in High School. I was wrong. He quizzes/tests on the most complex problems and limits your time (1hr and 20min for a 5-6 page test). Sitting in class is a waste of time, he only does easy problems and I already know the basics and he doesnt even test on those easy problems.

Hauenstein is probably the best calc prof at COD. He is very clear and uses funny examples in class. However, his tests are just too damn long. Demonstrating our knowledge in a few comprehensive problems should be enough; we're not competing for the Mathletes so we shouldnt be expected 2 whiz through the problems like we've been teaching for 30 yrs

He always starts out as a good teacher but you will soon realize through his test and quizes that he teaches very easy but his test are nightmares. he would tell u 2+2 if 4 in class but on the test he would ask u (2x+3)^3 find the direvative and the intergrate then find x to where blah blah blah. something he never taught in class.

I had him as my professor for 1431 as well as 1432. He wants us to do well and the enthusiasm he teaches with is undescribably uplifting. He's always a very positive mentor to talk to and beyond willing to help fuel interest in math for those moving on to Calc Series as well as any math course. I'm going to miss his course.

Honestly this teacher seems nice but has a horrible way of running his class. First he teaches the easiest material in class and then gives completely different problems on the test. I really tries to pass this class and studies hard yet he still failed me.

Knows the material thoroughly and makes very few mistakes on the board allowing for a very ideal learning experience.

Not the best teacher. If you are a hard worker, take him. Good luck.

Erich is a really nice guy, and a very good teacher. His HW is not mandatory but i recommend doing it if you want to pass the tests. His tests are pretty simple most of the time but he usually throws one or two tricky problems in. All in all if you actually want to take the class and u pay attention u can easily come out with a B with minimal work.

I took him for Business Calculus, and am very pleased. He explains things clearly and is always willing to help. I am one of those people who understand math, therefore it wasn't too difficult. However, his tests are much harder than the homework problems. Do the homework, come to class, ask questions and you should manage to get an A ;]

best math theacher I had clear, explains the matirial in full, but the class isn't easy. He will teach you something even if you fail, like I did first time around. You'll discover your weak points and he'll help you fix them Tests are hard and harder then homework, which isn't graded.10 out of 13quizes count and final replaces lowest test score :)

Really good teacher. I took Business Calc with him and the class itself is difficult. You really have to work in the class. He gives daily quizzes & most questions come from hw. Exams are difficult, but if you pay attention in class and do the hw you'll be fine. Has great analogies/tricks to help you remember things. Recommended.

I highly recommend professor Hauenstein. He is really helpful and wants his students to do well. If the class is having problems he will spend an extra day or two on the problem section. Gives partial credit for answers. Be sure to do well on quizzes!! Keep up with your homework and ask questions when needed. No problem getting a B or A.

His tests will give you a heart attack. There were so many tricky questions. He will constantly refer to something called "math intuition" - which is rightfully appropriate. He was clear and helpful enough that I got a C. His class is very social. People talked to each other and helped each other because his tests are just so death defying.

Overall good professor. But like all other full time faculty, he can drop the ball occasionally due to his job security. He can be late to class often.

He explains the problems really well, like I get the problem easily, but when it comes to the test you better study and ask for an extra help coz if you don't u will fail his class . And if you're looking for a REAL CHALLENGE take him, but I don't guarantee that you will get an A in his class coz it's too hard

He was an OK teacher. He tried his best to find comparisons between the lessons and real world situations, and at times they were confusing. However, if you decide to take his class, STUDY THE DIFFICULT SECTIONS OF A CHAPTER. The tests were difficult because at times, the problems on the test involved sections that weren't gone over in class.

Overall fair teacher, I must admit calculus is super hard for anybody so understanding it takes a while to learn and study. People can't blame the teacher for them not understanding. I highly recommend refreshing alegbra skills before taking this course. If you ask questions, he will ways work it out until you understand it! Very approachable!

He is a very helpful professor. You MUST study to pass. He will go over any questions you have in and out of class. The subject is hard but he tries to make a little easier for you. You get an hour to take the tests which may feel short if you don't study much.

Very hard class. Don't miss classss cause it's hard to catch up. If you ever think you will leave the class early, you will not leave early. This guy kills time like no other. Sometimes he finishes 30mins before class is over, but he provides you with more pointless examples. Has some awesome real life examples. Drinks orange juice every day.

Professor Hauenstein is one of the coolest professor at COD. He is nice and laid back and he definitely knows his math. I wish I could have taken him through the whole calc sequence. Definitely recommend!

You're graded on pop quizzes and tests. Test questions are from HW or previous work, but time constraints make it impossible to finish. Clear teacher. Easy to follow his work on the board. He is very willing to provide help outside of class. Partially recommend because an A seems practically impossible for the course.

Prof is a genuinely friendly person. He thoroughly explains the material, is honest, and doesn't hold students to unrealistic expectations. He doesn't post grades on blackboard throughout the semester, however his grading system is simple enough to figure it out yourself. If only more math teachers were like him, I highly recommend him!

Good teacher, all other comments are by slackers. Math is hard, go to lecture, do your homeowrk. He drops 2 lowest quizzes & lets you take a final to replace lowest test. Pop quiezzes. he's a nice guy, sometimes funny & always has organge juice.

Not really sure why he got negative feedback at all. Hauenstein was one of my favorite teachers this semester. I think he does a really great job at explaining the lessons. He's also an extremely generous grader. Gives you points on the test for literally just trying. No surprises on the tests. He tells you what will be on it and bases it off hw

I had Professor Hauenstein for Calc 1 in the 8 - week summer session. He is a great professor. The homework is not graded or collected, but you will not be able to pass with out practicing some hw problems. There are 3 tests that are really long and difficult. He gives around 13 quizzes and keeps the 10 best quiz scores. Final is hard as well.

I had Erich for Calc 1 and he is awesome I am very impressed with the quality of teachers for math in this school he is difficult as hell but you learn a lot and its necessary for upper level math later on

Best math professor I have ever had. He cares about his students and is always available to help you out. Although tests are hard, keep up with homework and you should be fine. If you are struggling with math, he understands and gives great advice/ recourses.

He is a really great teacher. I am taking him again next semester. Attendence isn't mandatory but you don't want to risk missing a quiz or test. Explains things really well. If you do you homework and pay attention you will get an A. What you put in you get out . I struggle with math but have never gotten lower than an A on all quizzes and tests!

Great professor! Tests are tough (compliment). 13 quizzes keeps best 10. Take all 8 chapter tests and final can replace lowest score. Advice for success: take advantage of his office hours, do homework, visit math assistance and learning commons, and don't give up! You will learn a lot and be well prepared for the next math class. Highly recommend!

clearest calc teacher I have seen he does a fantastic job explaining is easy to understand. his downfall is you need to get quick to finish his tests since they are long, and the only way to really get up to speed is do the homework over and over. A fantastic teacher that looks out for his students. attendance isn't required but he gives Quizzes.

All his quizzes were homework problems and same with his tests. All the problems he chose were straight from the book. He assigns the odds but do the evens that are next to the odds! You'll get 10/10 on his quizzes and do great on exams. I didn't have to take a final, do good on the exams!do the homework! Most importantly do the homework 3 times;)

Trust me all you have to do is the homework problems odds and EVENS! The evens are usually on tests/quizzes! He helped me so much outside of class and right after! The kids complaining about him didn't put in the effort. He's a great teacher, one of the best at COD. Listen to me and do the homework 3 times, you'll get an A in his class. Work hard

His exams are little bit tough but he prepares everyone for calc 2.

Do HW and you are really good to go. If you require high school teaching method then don't take him.

He's a solid teacher. I recommend him. Yes, I only got a C, but I think that's more on me. I would take him again.

This review is on the 8 week calc1 summer course. First, I would recommend taking the full 16 wk course. Erich is a good guy and teaches well, BUT he has very high standards. You will be prepared for calc2 afterwards, but you will have to fight for your life to get a good grade. 3 of us had 4.0s going into this class, one of us failed and 2 got C's

I also took the Summer Calc class. Wish he taught calc 2! Stepping into calc 1 is challenging, let alone in half the semester length. He is one of the only calc teachers who gives partial credit (generously, too) but he also explains things perfectly, and has funny real-life examples. If you do ALL the homework, you'll get an A or B!

He's a nice guy and he teaches well. Very generous with partial credit and cares for his students more than most teachers. I would highly recommend him.

Professor Hauenstein is a great lecturer. He explains the content fluently and organized. You can tell he knows the material very well. There's really nothing bad to say about the teacher himself but his class does not have wiggle room in terms of grades. Since there's no hw, you have to do well on his tests. Keep in mind, the tests are long.

Unless you are naturally inclined towards math Calc 1 (2231) is a very difficult class. Test were very rigorous and I was almost always racing the clock during the 50 min class period. If you decided to take it, Hauenstein is your guy! He is caring and available outside of class every single day, either in the tutoring center or his office. Great!

Know your trig really really well and bring scratch paper to exams! The provided work space can get crammed on some problems, and if you want to redo the problem to make sure you got it right or just sketch out approaches to it, you're gonna need that extra space.

He usually came late to class and it concerned whether the class would be finished on time, but I think he understands exactly how much time is needed. Do all the homework and you will do well; the only test I did poorly on was the one I did not do ALL the homework. He cares about his students passing his class

Calculus is a hard class, but Professor Haunestein makes it bearable. I took the 50 minute classes 5x/week and there is a time issue, so if you want more time devoted to it, take a longer class period. Accessible out of class and always willing to help.

Prof H was the most generous professors i have ever taken. He really cares for his students, you definitely will have to put in work from your end, like doing the HW. If you visit him during office hours or the math center near an exam date, he will drop hints for you for what is to be on the exam! gives a lot of partial credit for dedicated kids.

Had him for a summer course. I thought it would be extremely difficult but the professor made it as easy as he could. also dont buy the book, if you want to get an ebook for free text me: 6052694284 we have to watch lots of videos from youtube and make sure you get the homework done so u are ready fpor the test, its always like 7 problems long