Very good teacher! Knowledgable and smart and he loves to help students. I am so glad I took his class.

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Nice Professor. When explaining he assumes it's your first time with the topic. He really wants you to learn, and he like helping students. I definetely would recommend him. I'm taking pre-calculus algebra next semester with him.

John is fly. He teaches very well and his tests are exactly what he gives notes and lectures. Great teacher.

GREAT TEACHER!! Makes things really simple. Amusing. Reminds me of ALIAS's "Marshall Flinkman" character. Learned a lot of USEFUL math- really!

Nice Guy. very fast paced though. You can't get comfortable with the material without him moving on. He has a nice personality. Easy to get along with.

Very helpful. Nice guy a little jittery though. Do some of the homework problems so you can understand the section(s). Quizzes are fair as are the tests. He tells jokes too... I didn't say they were funny...

Awesome professor. He is VERY knowledgeable and VERY helpful. He kept the class fresh and a little humorous. I'm glad to have taken College Algebra with him!

Nice guy, and tries to make math as easy as possible. He'll take time after class to help you if you need it. Easy quizes, I had another teacher who had 30 questions on her tests.

Very good Teacher! He's very helpful. Just make sure that you go to lecture and study them for the tests. He is very helpful if he sees that you are putting in some effort.

An awesome professor. He explains the material well. He will go over everything you don't know because the school gives him a ridiculous amount of time to teach the material.

the most boring class ever!! if u have a short attention span , do not take! his tests are pretty easy... two question quizes. do a little of the hw, itll help ...sweet guy.. will keep you in class until the last second.. easy to understand..but fast

Good teacher. class goes a little fast, but that's a good thing, you get used for calculus. Easy A, he explains clearly. Very helpful

Great teacher. If you do your homework the class is a breeze, but if you don't you will be really lost because he moves fast.

He explains everything, he goes over whatever anyone needs, very detailed, somewhat organized. He knows his stuff, he can get a bit lazy at times, but is mostly great. I recomend him if you're taking stats, he's a good guy. Tests may be hard, but fair.

really helpful and nice! take him!! will answer any questions that you don't understand and goes step by step to help you!

Very clear teacher. Will go over examples and homework to make sure everyone is on the same page. Gives some Math history tidbits as well. Only problem is that he says "OK" too much.

His class is easy as long as you take notes and listen to his examples. Beware! He loves to burn extra time by showing how the formula is created. Overall, I recommend him to anyone, especially those who are bad at math. Niss is helpful, flexible and compassionate if you try and come to class on tim

the best teacher ever.he helps students and also,he explains everything with clarity. he kicks behind all other stats teachers from all valencia campuses. i 100% recommend him to everyone

his rating is 4.9, what else you want to know. GO REGISTER HIS CLASS!!!

He is a good teacher if you miss HW it wont affect your grade he doesnt check it. He does get side tracked a lil bit sometimes. he kin of odd and will say weird things. he did require us to do the HW but if u dont you can get left behind. test are very hard be prepared!!!

Doesn't collect or check HW. He gives about 10 quizzes and a few exams. Study the vocabulary words because they WILL be on the exam. He can be confusing at times, but he cares to go over the material. To pass you should: go to class every day, TAKE NOTES, and study for quizzes and exams

Pros: ALWAYS answers any questions you have before moving on to new topics. He gives at least one take home test. Grades generously. Returns tests Quickly. Knowledgable. Gives Advice. Doesn't rush through material. Cons: His classes fill up fast :). Oh btw he looks just like Jesus Christ.

Professor Niss explains concepts using proofs which better helps the student understand the material. He is extremely helpful and is always available during his office hours. His ratings are high b/c he teaches the material very well. Not, because the class is easy. Prepare to work hard. A+++++++++

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One of the best math professors at VCC. A+

AMAZING! I'm horrible at math and I got straight A's in his class. He takes the time to go over steps that most professors skip. He sometimes gets sidetracked, but everyone needs a break now and then. Do the homework and show up and you're set.

Explains concepts very well. Gives one take home test. Professor Niss is very approachable and is always willing to help during his office hours. I highly recommend him.

PENNY LOAFER JESUS IN THE HOUSE, but that's just the initial visual impression. This guy is clear, fair and organized. When you ask questions, he answers then with utmost patience. Kind grader, gives buku partial credit even if you're clueless. I pulled an A.

Professor Niss is a great teacher. He gives 1 take home test? Come on! What mroe do you want? =) Explains concepts well and is overall a nice guy. A++++

Great teacher, funny, patient, helps every student even if they ask same question over and over, gives examples in different ways until you get it. I would take him again for my next math if I could

He is a great math teacher. He breaks it down for you and takes time to help you if you stop by his office. If you are in this class then you are not so good in math like me. This is the first time I get passing scores on math tests...and i'm 26 ;( take him !!!

Easy grader!! He is very helpful in class. He will not move on until everyone gets the material that he is going over. At the same time, he is also very rude to his students and will make fun of you. You have to have patience with him...

He really is a good teacher and willing help you to understand the work

I earned a d. However he is the first teacher that breaks it down in common language. I should have studied more but I am confident that next semester I will get it. I will take him again

He is an awesome teacher!!! I have never done well in math my whole life and he got me so into it! He is very clear with directions and always available to help. Never too much hmwrk at all, never any busy work. You will love him, such a good teacher - looking too take many more classes with him! Mr.Niss rocksss!!!

He is freakin awesome!I'm really slow when it comes to math but to my surprise I've never understood it so well.Partial credit is your best friend!!!Just show up,make an effort, and he'll meet you half way!

Mr Niss is the best! He gives you every opportunity to get a good grade and he would spend as much time with you as you need.

Niss is very smart and knows his stuff, but never lets you forget it. He insists on covering every bit of material and keeps you til the last second of class. The tests were VERY hard, but he does give partial credit. Assigns both online and book homework and gives quizzes weekly. He's a grumpy individual. Don't take him if you're wanting an A.

THIS CLASS WAS PRETTY COOL. THE QUIZZES AND TEST WERE VERY EASY AND HE PRATICALLY GIVES YOU EVERYTHING YOU NEED TO PASS THEM WITH AN A. HE IS A VERY CLEAR PROF BUT SOMETIMES THE CLASS GETS BORING. HE MEETS YOU HALF WAY IF YOU TRY. HE ALSO GIVE EXTRA CREDIT FOR VISITING HIM DURING OFFICE HOURS.I WOULD RECOMMEND THIS CLASS.

Great teacher, don't let any of the negative comments fool you. He's clear and never hesitates to answers all questions and make sure that everyone understands what they're doing. He is also a very easy grader. Meets you half way as long as you know what you are doing and your steps were correct. Take him if you wanna have a good understanding of t

Professor Niss is kinda hard. Quizes and tests are nightmares. He is very helpful for his office hours. He was almost always available for question a little grumpy though. You need to stay on task with all of his assignments it is very easy to get lost in the work.

Great teacher, I took him for intermediate & college algebra. If you want to actually learn take him! He doesn't give free A's so pay attention & do the work if you want to pass!

Prof Niss is one of pillars that makes Valencia the college of choice in Orlando. He did not become the Math Chair by chance. He is a methodical teacher who is over-qualified to teach anything under Quantum-Physics. This Prof. will go ut his way to help you, assist you,and prepare you for any and test's. He rewards merit and is Vet friendly.

This professor is more than fair. He is an asset to Valencia's math department. I highly recommend him. His tests are more than fair. He gives partial credit which is your complete ally. Professor Niss is not only brilliant he also interjects some humor into each lesson. Please take him you wont be disappointed.

Great professor. I should have done better, but it was my fault. Great teacher. Not the friendliest, but we're not there for that. Explains everything great and gives you plenty of chances to get an A. I enjoyed his class.

I really learned in this class. Prof. Niss is a true teacher and if you are willing to learn he is there to help you. He is fair and knows his stuff. Great professor, I highly recommend this class.

Personally, math is not my subject...He is a Mathematician for real. He knows exactly what he is talking about. Most importantly he helps you understand and has a great teaching style. Very helpful and listens to your questions. He is a very nice person, and professor. Don?t frustrate yourself with numbers or problems he is there to help you!

Extremely helpful at every opportunity. He really cares about his class and students, and if he can see you are trying, he will do anything to help you. He has made me love math, and I have taken three classes with him.

The one thing I remember Professor Niss is his knitting and his beard. He is funny and expert in his subject. It was fun and easy to learn in his class. Homework is optional, and his tests are rather simple. As long as you don't miss lecture too often, you should have no problem passing the class

6-week course! I'm not comfortable with math but Niss is crystal clear. The ONLY way you could do badly is if you don't do the hw, don't take notes and don't use flashcards. His lecture gives you EVERYTHING, and it makes so much sense, the rest is memorization and normal good student behavior. I'm glad I took Niss! Hard work but worth it!

Professor Niss is by far the best professor I've had. I took Algebra College and Statistics from him. The reason I choose him over other professors is because he knows the materials by heart. He is not like other professors who rely on textbooks. He goes along with the book, but just teaches it with clarity and simplicity. Very patient n wonderful

There aren't many teachers in my life who have made an impact, but Professor Niss is one of them. He is not only a cool guy, but a caring and nonjudgmental teacher.I hadn't taken a math class in 4 years due to change of major so I was VERY nervous about taking a Calculus class. With his guidance I passed with flying colors. I actually LIKE math now

Very good teacher. Math is not my thing and I received an A fairly easily. You have to go to class! He is great with his lectures. I barely did the book homework, did all of the online homework (counts for 1/3 of your grade) and went to almost every class. Do that and you'll get a good grade!

Math has always been the class I've had to work the hardest in and this was no different, but it wasn't agonizing and stressful. He made the material easy to understand and broke every bring down if you needed. But don't be lazy! Homework is assigned but not graded. But if you don't do it, you'll have no clue what's going on. Highly recommend.

Highly recommend. Professor Niss is a great teacher all around. He makes math as simple as it can be. He also has a good sense of humor and keeps plenty of office hours available. Gives great notes and teaches in a way easy to understand.

I took a hybrid class, did all of the homework, and went to nearly every class. He allowed the class to get caught up with homework,which very rare with algebra teachers. (I should know this being my third attempt.) He kept everyone's attention with witty humor, and speaks perfect English, also rare.

Really great professor. He knows his stuff and expects you to work at the class. He used old tests and stuff on our review tests at the end.

Holy Crap! I have "THE DUDE" teaching my math class! This guy is amazing! He actually cares about getting to know his students. Definitely take him for Calc 1 and 2 if you can.

Prof. Niss is a new excellent professor. I am not very good at math but he meets to take sticks fun and enjoyable. I never really thought I'd be good at math but stats was my thing because of Professor Niss. One quiz per section and an exam every three sections.

Professor Niss is the smartest man I've ever met. He's friendly, helpful, and actually easy to understand. He's clear and if you're willing to put in the work its very easy to get an A.

I'm halfway through this semester and all I can say is that, HE ROCKS. No wonder why his students call him "The Calculus God" because he is too good to be teaching. He is the smartest math prof in Valencia. Put in alot of practice in his homework & always attend the "review day" because he is going to drop hints what will appear. Take him!!!!

Niss is hands down the best math professor I have ever had. Conveys concepts with ease and is able to guide students when they get stuck. Easily accessible outside of class, plenty of office hours. Pay attention, do practice problems out of the book, ask questions when you don't fully understand something, and you will pass. Highly recommend!

This professor is very intelligent and I would recommend him for people going into engineering or anyone taking Calc 2 as he puts emphasis on subjects you will need for that class. His tests are rather easy and aim to test your understanding of what you are learning. He likes to put trick questions so make sure you read the instructions carefully!

Professor Niss genuinely cares about his student's success. If you show that you're trying and put in the effort YOU WILL pass this course. Took Prof. Niss for Calc 1 - Diff EQ. Highly recommend.