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HE seems really hard at first, but later he is cool. HE also lets u out REALLY early. hes a nice little nerd.

He is hard, but a excellent teacher. He's awesome!!

Loved his lecture. Hard at first but gets easier towards end of semester, especially if on his A-Team. Great guy if need help.

What a cool guy!!! His tests are challenging though.

Don't be scared by his telephone book-size syllabus and his tough demeanor at the start of the semester, he gets nicer later on. His class is challenging but you'll really learn and he won't put you to sleep as most Math professors do. Pretty cool guy!

Great professor. Very helpful, lets you out early every day, tough homework but all test questions come from the homework. Easy to get a good grade if you put the effort.

this guy is the easiest math techer i've ever had!TAke him if you just want to get rid of a math class, but if ur like me..ur not going to learn any details about math. All you'll do is do the math roobotically...-_-. BUt yeah really easy techer! And nice

Great professor. Had him for 131 also, and will be taking astro 12 with him also. Very clear and eager to help if you don't understand. Hard tests, but if you work on them enough you'll get a good grade. Also a BIG science dork.

He likes to waste paper lol. Overall, he's pretty ok. His tests aren't too too easy, but you just really have to study. Give a reasonable amt of hmwk. He's quiet, but nice. Do all your hmwk and you'll be fine. He lets you out early too.

Welcome to College. DO THE HMWK! (15 - 20 hours per week = A grade) The tests are word for word from the hmwk. How much easier could it get? Subject matter is difficult, but Sepikas works with you as much as you want. Great course!

A lot of homework & difficult tests, but if you know the material you can do great. Excellent teaching technique. Very helpful and wants his students to succeed. It's nice to know a teacher is in your corner.

One of the best math teachers I've ever had!.

Is he ****? He makes us waste so much paper! He is very anal about the homework format. Other than that I think he's an o.k. teacher. I like his pace. Test questions are from the homework questions. "John's way" is very useful. He is quick a

i think he's alright. the world doesn't give extra credit, and neither does John. If you do the work, like in anything, you'll do alright. He's very willing to help, you just have to ask, and as for the h/w details, thats what life is about - the details

If you're planning a career in astronomy or really like it, this class is perfect for you. Good math skills are a must. He's a great guy and he's super smart. He and his assistant Glenn are both JPL employees. LOTS of work!

"i think he's a genius" commented one student... i agree...

HE's such a B-E-S-T teacher in da world ever! Nice personality,very kind to his students, patient and really a great teacher!He teaches math131&3, astro1&12.Gotta take his class if u wanna take math!COOL,funny n funky teacher!GREAT!

Honestly the hardest class i've ever taken. He knows what he's talking about. you'll have such a greater appreciation of the universe after the class is done. i'd recommend to anyone wanting a challenge

I learned so much, I recommend this class.

He talks fast and soft, so it was sometimes hard to follow. I still got an A though. His drawings on the board were very helpful. Difficult subject but it was interesting.

he is good teacher. all his teast from the homework, I got A, so easy to get it. i recommend to take his class. he is very helpful person he answer any Q you have.

This class was great and I learned a LOT! Professor Sepikas is well versed in most disciplines of science, not just astronomy. I have been at PCC for 8 semesters now, and this is the first course for which I had to actually work hard to get an A. If you love knowledge, then take this course!

Good Prof- Firm, but fair. Solid teaching with real life examples. Lots material covered. Take good lecture notes, read the chapters, study & DO ALL THE HOMEWORK! Devote the time to this class, take advantage of the tutoring & extra credit, and you will feel good with the final grade you earned!

I agree with the last poster. If taking Astron1, do all the homework and read (almost all of) the book otherwise you will not know what to do on the test. Usually the ones that are very interested in the class will stay and class size will diminish. Recommended for avid astronomy people only.

If you're fairly good at math take him. If you need a little help I wouldn't take him. I got an A but had to work for it. I wasn't really down with the no partial points but tests come from the homework so he's fair.

I don't know what the problem is--you're expected to do the work if you enroll in the class. If you get bad grades, it's your own fault since he makes it possible to get a good grade. He's helpful and really smart--very sexy! So stop complaining and do your homework!

A very challenging teacher who prides himself on that fact. Be prepared to study hard if you take him...you'll appreciate that when you transfer, though. Half of all his tests are proofs he demonstrates on the board. MEMORIZE EVERYTHING ON THE BOARD. If you do this and your homework, you will get an A.

This class is HARDCORE but interesting . Do not take if you think you will have a fun time looking at stars.Very hard tests and copious amounts of HW.He explains complex things in a complex way but a pretty good teacher all around.Worst part: to get an A you must be on a special "A TEAM" in which you do twice the amount of work you would normally.

John is one of the best teachers i've ever had, and i don't even go to PCC anymore... his tests are hard and he makes you be a part of the Ateam if you want an A, but if you want to learn and get an A, he is very approachable and helpful... he won't necessarily cut you slack, but he'll help you as much as he can to learn in and out of class

godd teacher and if you pay attention and do homework regularly u will do fine. i would recomend to take him

Professor Sepikas is a good teacher. He really takes the time to help out his students, and he really wants you to succeed. Im not a math person and I did just fine. If you just do your homework and understand it, you'll be just fine :) The tests are exactly the same as the homework.

I don't know what people are talking about; this teacher is great! Test questions are from the homework, there's not a lot of homework, and you get time in class to do them! Helpful and friendly, seems scary at first but he isn't! If you do the homework you should EASILY pass.

I aced the summer semester class!!

He made math somewhat easy even though I'm horrible at it... just show up every day and ask if you need help... and do the homework

Students respect him.His class so easy. Doing your assigment and follow his rule. I'm a internation student. Sometimes I can't understand academic questions at class, but this semester I still got A.

explains very clearly- focuses on techniques that will help in higher level math classes- its nice being able to do homework in class because you never get behind and you can ask him questions if you need to. The only problem is he does not give any partial credit- even if you make very minor mistakes. Overall good teacher though

his math 131 tests is 2 times easier than my math 125 tests. you can easily to get an A in his class.all of his tests questions are from homework,so i think most stuendent will get an A who knows how to do homework.the most easy one is final test.

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he is great!!! very flexible and laid back! not anal like other teachers, however you must turn in the homewrk on the day of the test, and all the questions of his test are straight out of the homework, so do your homework and you will ace all your tests!!! TAKE HIM!!!

I took him for Math 10, without any knowledge of what Linear Algebra was, his class was tough - i admit, but he does care about his students and what you learn. A year later @ UCSD taking upper-div courses and find that i had learned from Prof. Sepikas, along with Socrates' book, many of the concepts that you won't see until much harder classes..

this is a good teacher, and for those that said he doesnt care...you are wrong!!.students on these days want to be spoon fed..and if u dont talk to him about any doubt you have of course he doesnt know that you dont know until u ask. the test is from the homework..do the homework...you pass!!

This professor is awsome!!! He helped me out so much throughout the semester. Best teacher. He lectures for about 20 minutes and the rest of the time you do your homework. His tests are the easiest thing(if you do the homework correctly)Do the homework and youll pass with A+ !!!!!

The Astronomy 12 ITV course was challenging to me, but SEPIKAS is a good instructor. There were 3 tests, of which he drops the lowest. The tests are short (<35 questions) so it is wise to focus on the topics he lectures about. I missed most of the lectures and still managed a C. If you attend them all and pay attention, you can score an A.

He's the coolest teacher ever. Do ur freaking HW and for sure u'll get an A in this class. btw the Test questions comes from the HW

He's an extremely easy teacher. He explains math the way a 5 year old can understand. He lectured for 20 minutes then the rest is left to do hw. All the est questions come from the hw so it's an easy A. Btw he wastes a lot of paper.

Prof. Sepikas is GREAT!! He's a little strict on organization of homework, but that's the "hardest" part. He teaches for about 30 mins, then the rest of the time is for HW, but he is very open to individual questions. If you ask, he will answer! =] Extremely recomended!!! =]

I love this professor~his tests are so easy~JUst do ur HW urself,then u will get an easy A~,cuz the test questions are directly from the HW~i was late to the class everyday,and i missed his lectures mostly,but i was still ended up with an A in his class.

Do your hw and dont be lazy. if youre determined youll do fine.

I passed Elementary Algebra with a C, but I received an A in his Intermediate class!! All of his test problems come from homework. I worked so hard to get an A, so much that I got a stye in my eye, but it was all worth it. If you can't get a good grade in his class, I think it's your fault for not spending enough time studying!

This Teacher Is Fair And Very Good In his Teachings! I absolutely loved his Way The John's Way! Be Consistent in Your Study and You will not have any problem!!!!!!!!

Chill teacher. Funny if you get to know him. Basic teaching. helps if you ask.

chill class, half the class he writes problems "notes" on the board,lots of homework tho. then the other half he lets you do homework, so it's not time consuming. helps if u ask.

He is a good teacher but needs to work on his teaching methods. Once you get his teaching methods then that class will be easy. He has a weird way for you to do your homework. Just do your homework and you will pass his class. If you need help on anything he can help you. I recommend him.

Took the astronomy class. Loved it, learned so much. Lots of hw, but worth it if you put the time into it. (no slacking!) He moves through material quickly, but will answer questions and offers tutorials once a week to help with understanding since it is a lot of material in a small amount of time. But GREAT class and awesome teacher.

His teaching leaves something to be desired. He does HW problems on the board and leaves most of the class time for doing HW. He is a stickler for formating your paper, but its cool that you only turn in your HW packs on test day. Makes it easy to fit study time in between other classes. If you do the work, no problem passing his class.

He's th best math teacher I ever had! He explains well and fast & if u have a doubt, he will answer u right away. Juz work & study and ull get an A for sure!

Lectures very well and very easy to understand but goes super fast. Basically a good teacher all around, just not very helpful when you ask him questions in person, more helpful if you ask during class. Tests directly from hmwk and you must do all sections or no credit even if did 90% of hmwk. Hmwk is everything just to pass. 1000's of problems ass

prepare for tons of homework, do it and you will not have a problem with the test since in your homework is the key for the test. love his system and if you are a student who doesn't want to spend time doing lots of homework...don't take him

John is an awesome professor! I can't believe the bad reviews- Surely they're due to a lack of work ethic on the part of students. Astronomy 1 is a hard class. Nobody said Astrophysics was easy! Sepikas teaches with a genuine passion for the subject & knowledge of math which those who are actually interested in Astronomy will appreciate. Inspiring!

His class was the best class I've taken on campus so far. He's very enthusiastic and it makes it very fun to learn. There are some RIDICULOUS ratings here. This professor rocks! He's EXTREMELY HELPFUL, smart & really cares about his students. He provides HIGH quality education with the price of a community college class. He's a wonderful professor.

Probably the hardest class you'll take in your college years. Honestly, Professor Sepikas is one of the nicest teachers I've ever had. He has a real passion for the subject and genuinely just wants you to learn something. If you take this class, I have one thing to say: Don't give up. Staying in the class payed off for me, and it will for you too.

Most reviews on here are honestly from people who slack off and don't try. The professor is GREAT and has a real passion for the subject. The class is tough but not impossible. He made me love astronomy!

I took Sepikas for a math class, he is very clear in his lectures,humorous,love his interesting historic math stories. About 70% off class time is for his study sessions (doing homework), which really helps, because he is there if you have any questions. There is a lot of homework, but the test is also based from homework questions.

John will be one of the best professors you will ever take while at PCC. He has a great passion for the subject and is not reluctant to explain something you don't understand. The class is extremely hard but if you apply yourself you will get an A. DO THE HW!

Thinking about taking his math class? then pls do so! Amazing prof!He lectures for about 1-1:30hrs, then the rest is for you to do homework, and ask questions. he is funny, & he makes the class interesting!Tests are always 20 q's and based off of hw. if u dont understand something he explains till you do! Gives a lot of e.c, so answer q's in class!

This professor will make work your tush off like no other class you ever had before. PCC states you only need math 131/139 as a pre-req. But you'll end up doing physics, calculus, and related subjects in that range. don't believe what PCC says, please take higher end course of math before taking this class. it's nothing BUT math.

if you are thinking about taking math 131 and passing then take him. he lectures for an hour or so then lets you do hw, and he is there to help if you have any questions. the tests are from the hw. so do the hw and you will pass. he drops the lowest test grade. tests are only 20 questions each.he kinda makes you relax when it comes to math...

He is a super knowledgeable professor with real passion towards the subject. He is willing to teach if you are willing to learn. The class is demanding, you have to read the whole book and understand all the concepts. It requires good memory too. But it is not impossible to get good grades.

Great teacher. He understands you're level of math comprehension and will pass you as long as you do your homework. I personally found the math to be extremely hard and did not pass all of my tests yet i still passed the class with a good grade. He basically teaches a high level Math course but grades for like an average class. I'd take him again.

Amazing! Very passionate and capable, but beware he is a mathematician and physicist, this class is NOT EASY! One of the most demanding undergrad classes in any college. 75% of students drop/fail because they can't handle. DO ALL HW, ATTEND ALL LECTURES, SHOW UP EARLY TO GET MILLER'S HELP. Test are HW/LECTURE HEAVY, a good memory helps too.

The stress related dropout rate is no joke. He challenges us so hard that real challenge is not breaking down. But if you can just hold on... It's worth it. You want Caltech? Take Sepikas at PCC; anywhere will look like a cakewalk afterward. His class doesn't just teach math, it's a fire you pass through - if you dare. Hold on tight. It's worth it.

Great professor! He's definitely passionate about his work, and he's always available for help and clarity on the material. I took him for Ext. Spring '13, and he was able to teach us everything at a comfortable pace. He doesn't use MyMathLab, drops lowest hw & test score, and even gives you time to work on hw in class! Fantastic teacher.

First off, he is a great professor, if you ask the same question 100 times, he will still answer. He gives a bulk of homework to do before each test. There are 5 tests, each for 2 chapters.DO THE HOMEWORK, it'll save your ass. Super nice, super easy.Some questions from the tests are the ones he does on the board.Seriously if you study you will pass

The most caring, the most knowledgeable professor at PCC.

Easily my favorite professor so far. So passionate about the subjects that he teaches, and honest about the difficulty of his classes. Brilliant man, helpful and knowledgable.

Class I took was more of a telecourse where I would only attend class 1x every 3 weeks. There's no hw, just 4 test. Overall simple, just do the reading, study guides, & take notes! He's funny too!

Excellent Class.

I really liked this class and found it very busy if not necessarily hard however I really like science and I've had quite a bit of math there is only some math in this class, but having seen that bit before helps. Others I knew in class found it difficult, but I think everyone who stuck with it found it very cool, even if not easy.

"Mannnn too easy."

Mannn, too easy

He is probably the best math professor I have ever had. He is truly passionate about his job and wants the best for his students. The test questions are from the homework. YOU NEED TO MASTER THE HW. This is the very first time I received an A in any math class. Trust me. I was never good at math until I took him. Work hard and you'll survive!!

Professor Sepikas is by far the most inspirational and intellectual you'll find on Pasadena City College's campus. His lectures are very impressive within the realm of EVERYTHING! The class subject touches base from conceptual Astronomy to its mathematical inductions and will leave you overwhelmed with the vast knowledge Galileo, Newton, and the brilliant Einstein have uncovered about our Universe. I highly recommend this class for those who appreciate a challenge and are commited to completing what they start.

For math 131, he's a good prof. Lectures for 1-2 hours and then assigns hw, but he lets you do your homework during the rest half of class so you don't have hw to do at home. Usually people finish or finish half way and then leave early.

"This is the hardest class you'll ever love" And boy is it true. This is not an easy class and he sounds harsh until the drop date, then he cuts back. He treats the class as a graduate class, you can actually talk to him! If you talk to him, he'll work with the class on test dates and content- he adjusts to the class' level. Prepare to work tho!

I usually hate math, up until i took this class. Sepikas makes everything clear and straightforward he doesnt make you feel stupid when asking questions, his class is 50% lecture then the rest of the class is study session where he will help as much as needed. homework is the usual for a math class and dont try to sneak things by him

His lectures are clear, and will help you solve every single problem on the homework and on the tests. Test, are a bit difficult, but only because he doesn't give partial credit. You either did it right or not! However, the test problems are the exact same from the hw!

Professor Sepikas is easily the most inspirational teacher at PCC. His knowledge of the subject matter is incredible and his lectures cover everything from Astronomy to subjects like Relativity, Quantum Mechanics, and Cosmology. He treats his students like grad students and is eager to help them. This class is hard, but worth every minute spent.

Professor Sepikas is always there for you to ask any questions. He's a very caring Professor who wants nothing best for his students. Obviously, math is hard for a lot of us. But if you don't put the effort, of course you won't pass class. Test questions literally come from the book so if you do your homework you'll pass his tests.

Professor Sepikas is by the far the best! Very straightforward with what he expects out of his students, and he is there after class and before class to help students out, offers a lot of extra credit if you pay attention! Best at PCC!

Getting an A is very easy in Sepikas's class. All you have to do is be there during lectures that are not very long. If you need any help, he is always there. He gives a lot of homework but he gives you a lot of time to do the homework. Half of his classes is lecturing and the other half is a study session.

Class was super easy, lectures for 20-30 minutes and you do homework for the rest of the class. Breaks out randomly and talks about interesting stuff like math geniuses of the pass and astronomy. Sets up a telescope if anything is interesting happening at night. You can just use the library textbook if you don't want to pay for one.

As an art major students I entered this class with ZERO KNOWLEDGE of Astronomy, but I walked of this class with many life beneficial knowledges not only on astronomy but had a better understanding on physics and the very world we are living. This is the class I would recommend my own child to take it (if I have one), the experience was amazing.

He asks for students to participate in class, and he's very helpful. He will explain again and again if you don't understand. Took his class summer time and I was able to get an A, but expect homework that he'll give credits for. Catch his mistakes and you'll get extra points that could add up easily. I would take his class again.

For me, math is the subject I struggled most in. While taking this class during Fall, this class was more of a review for me of what I learned in high school. Overall, his test are based off the notes and hw, so if you understand the hw and take notes you should be fine. As for the final, review off the previous test! FYI no online code(:

If you have a previous knowledge of astronomy, then you will do just fine. Be sure to read your book & watch the videos! This is not an "easy A class". You get what you pay for-which is an actual education that you can carry with you no matter what field of study you are pursuing. He cares about his students, so he makes himself available to you.

This is a hard class that is heavy on the math side. I would recommend knowing a little calculus before taking this course. The professor rushes a bit through the math teaching, so be sure to ask lots of questions. Do the homework, attend the tutoring, do the reading. I love astronomy and I walked away from this class with a deeper understanding.

He was a really nice professor who goes really fast, doesn't explain things well but does better on a more one on one, tough grader but willing to give extra credit, willing to stay longer to help you understand, remember the two songs, & don't procrastinate if possible or the tests and your grade with slowly die.

This class was awesome but only if you know some physics/math beforehand and are willing to study until can't remember your name (but can somehow remember the Stefan-Boltzmann constant). He has this weird thing about the "A team" where you can't extra credit your way to an A and basically have to maintain an A the whole semester.

Amazing professor that requires studying and hard work. He is not the professor to take if you're looking for an easy A, but he will push you to do the best you can and to learn the material. I wasn't the greatest at algebra before this class, but Sepikas taught me to be a better student and his formatting, although tedious, was very very helpful.

This professor does give a lot of hw, all of it really does prepare you for the test! He is always available during class to help with your homework like others have said he lectures for 15 mins and then you start the hw! Hes a funny caring person. Most important thing to note is to do ALL the hw, ask questions, and there is no half points on test!

Excellent.

I highly recommend this professor for math131, easy A class!!! the only thing is lots of homework, and the lowest exam will be dropped!!! very nice guy, but he don't speak loudly so you need listen very carefully during the class or sit in the front row. he will dismissed the class about one hour early every time!!!

Such a great professor who really cares about his students success and enjoys teaching. makes you work for it but you'll be more successful down the road for it!

Professor Sepikas made UCLA level Pre-calc a challenging but very rewarding and fun subject to learn. There is definitely a lot of homework, and although during the quarter I felt a bit overwhelmed with all the new material, I am so grateful because now I am doing well in a pre-medical post-grad program -- all thanks to his caring nature! Amazing!

Dr. Sepikas' class is by no means easy, but I recommend you take him if you are planning to become a math major, or just have a strong interest in math. His class is proof-based and after talking to my friends, his class is miles ahead of other math classes. I really enjoyed his class, but it definitely took up a lot of my time.

His classes are not for the faint of heart. He has a TON of passion for math and its history and he will show it. You will have to study and review constantly to get an A, but it's far from impossible. Lots of proofs and memorization on tests. Heavy emphasis on theory rather than solving. Tests are very similar to the study guides though.

At first Professor Sepikas was quite intimidating and stated his expectations. He gives you a lot of freedom and treats you like an adult. He is clear about what will be on the test, so if you pay attention to him, you should know what to expect. He gives a lot of homework, but gives you time to work on it in class and ask for help, if needed.

Professor Sepikas was a good teacher but in the class, you feel like you in a boot camp and he is your drill Sargent so you need to be really organized and work hard. Basically, he is not a community college professor but a university professor and during his class, you will become very familiar with how UC, USC classes will look.

I took this class online during covid and it was honestly really amazing! The class was asynchronist so I chose my own hours to work and take tests. He gave us the pdf of the textbook for free! All he asked was for us to take the quizzes/test by Wednesday afternoon. Homework was not turned in or graded but some questions are on the quizzes/test.

I had Professor Sepikas for pre-calc, math5a, and stats. He was more understanding in his calc class, giving study guides and partial credit. There's a lot of homework, but the answers don't have to be right. Shorter lectures for pre-calc, so it all depends on the material. Take this class if you have a solid math foundation and a quick note-taker.

This class gave me my 1st B ever, but what I learned far exceeded basic calc. He taught us calculus beyond the surface level, diving into apps of it as well (optic stuff!). He also provided a lot of great advice towards future plans. He drops 1 test out of 3, but is lecture-heavy. If you're going into STEM, I highly suggest you take his class.

Exams are difficult, but everything is in video lectures. His grading is tough, but it is still possible to pass with an A

Definitely one of my favorite professors I have taken , can really feel his own passion for the subject and shows it's applications across STEM fields. If you are going to be a physicist/engineer take his class , it might seem challenging at first but he teaches problems you definitely will see again in other classes.

Prof Sepikas is a great professor. The course was challenging because there was a lot of material, but he make it pretty easy to understand. As long as you attend lecture, write down the examples, do the homework, and pay lots of attention to the examples in the textbook, you'll do fine. He's very supportive of students who are interested in STEM.

Lots of helpful videos on YouTube. No lecture. Most of the information on test is in the homework given. Anybody saying other wise. Clearly did not do the homework or did not see the similar connections. Some are within the sample pictures. Read your book and you will succeed. Final tests on all chapters.

Professor Sepikas is a wonderful lecturer who's passionate and cares for his students. His lectures are amazing and he assigns a lot of homework. If you want to actually learn math and are willing to put in effort and hard work, take his class. IF however, you just want to pass the class and go through the motions, do NOT take his class.

Professor Sepikas' class is challenging, but if you put in the effort - attend lectures, practice the examples, and use helpful resources like unstuckstudy AI - you can succeed. It's not an easy A, but you'll learn a lot.

This professor was great, although he is one of the first college professors I have ever had. I learned a lot in his class, and I'm a big fan of learning. I might be biased because I love to be challenged, but he seemed like a really good professor to me.

Professor Sepikas was a great professor. He's very knowledgeable about what he teaches and comes to class everyday with genuine enthusiasm. He also offers a lot of extra credit for people who participate and know history facts about mathematicians. I highly recommend you take advantage of this, as his class can be somewhat difficult.

I took it because I want the honors credits. Do not take it if you do not love STEM classes. His tests are easy if you pay 100% attention to his lectures. His lectures encompass a wealth of basic physics knowledge. Additionally, you have to memorize the history of five to ten mathematicians to get full points on the first question of the test.

Professor Sepikas is the best math teacher I've ever had. The material was challenging, but he was really understanding. As long as you study, you should be fine. All of his tests cover the exact examples he goes over in class. He really cares about his students and wants to make sure you do well in your next classes.

I had the best time in Dr. Sepikas' class! First week, he heavily emphasized that his class is for those focused on STEM, as he conducts his class at a university level. Ideal if you love science/math. Def not for students that are trying to skate by. With his help, your math game will be strong. He def prepared me well!

I like his tone for teaching. He knows tons of mathematical concepts and are enthusiastic about the lecture. If you are a stem major and want to learn math, take his course as much as you can. You will receive strict training like redo his proof of Maxwell equation on the test, but you will find his lecture extremely useful in your future study.