AI Rate Professor

Mathematics

Xin Ran Duan

MATH400 · MATH25 · MATH330 · MATH370 · MATH342 · MATH372 · MATH32 · MATH025 · MATH120 · MATH310 · MATH100 · MATH50 · 40 lifetime ratings

AI rating
72/100
RMP rating
3.8/5
Take again
76.92%
Difficulty
2.5

The decision

Take him if , and use to protect your grade.

Best fit · Self Taught ProCaringExtra CreditAccent BarrierAttendance MattersTough Formatting
  • Students , and .
  • Many students warn that his accent and fast pace make lectures .
  • Grades can be reachable, but , and .

Key questions

Four answers before you build your schedule.

Is this an easy A?

EasyA

77/100

An A is realistic because of , and forgiving opportunities, but weaker math .

Online evidence supports an easy but , while and attendance often drive grades.

Is the course easy?

Beginner

60/100

The math content can be manageable, but the pace, accent, and need for self-teaching make it less easy for beginners.

Online was described as fairly easy, while and lecture comprehension.

Is attendance flexible?

Mandatory

25/100

Attendance is frequently required or strongly tied to passing and .

The online review says attendance was not mandatory, but mandatory.

Is this professor recommended?

WorthIt

75/100

, and grade support, but hesitate when lecture clarity matters most.

Online has only one positive review, while and more mixed.

Course guide

See how this professor fits your week.

Grading

Lenient

70/100

and partial grade support are common, but he can be picky about formatting and neatness.

Format shift

Online grading was described as , while but strict on format.

Workload

Moderate

55/100

but can be handwritten, packet-based, or heavy in some courses.

Format shift

Online work included quizzes and homework checks, while and attendance.

Teaching experience

Average

70/100

He is caring and helpful, but many students say his accent, speed, and lecture style limit clarity.

Format shift

Online teaching was mostly self-directed, while but criticized for clarity.

Assessment method

Balanced

55/100

Grades , and depending on the course.

Format shift

Online had quizzes, homework checks, and a final, while , and participation.

Luni fit check

Weigh these signals against your actual schedule.

Get help balancing workload, grading, and timing when no option is an obvious fit.

Course format

Compare the in-person and online experience.

Classroom format

In person

39 reviews

High confidence · Best fit for Effort For Reward

care and while others struggle with his accent and pacing.

Main concern

Students who need clear step-by-step lectures may struggle with his accent and speed.

What students said

“attendance is 20% of your grade!!!”
MATH372
“I mostly self taught everything but this was the most stress free math class I've ever took”
MATH400

Remote format

Online

1 reviews

Low confidence · Best fit for Self Taught Pro

The only online review says the class was fairly easy but .

Main concern

Online success depends on discipline because instruction relied on outside videos.

What students said

“Online is basically self taught.”
MATH100

Exam style

Know what to expect from exams and major assignments.

and include , but some reviews warn about short tests and a high-stakes final.

Multiple Choice TestsOne Page Of NotesExtra CreditFinal Weight Risk

Assessment risk

StudentFriendly

68/100

Low score means less forgiving assessment conditions.

In person

In-person reviews support multiple-choice tests, one page of notes in some classes, and , with .

Multiple Choice TestsOne Page Of NotesExtra CreditHigh-Stakes Final Risk
“ and one page of notes.”
MATH400
“The final is worth 300 points.”
MATH330

Online

The online review mentions quizzes and a final, but .

QuizzesFinalPolicy Not Clearly Proved
“Quizzes were every other Wednesday , 2 HW checks, and the Final.”
MATH100

Student evidence

See what students actually said.

Top student voice

“I mostly self taught everything but this was the most stress free math class I've ever took so I don't know if he prepared me for calc 2 but ”

Voice snapshots generated from 40 reviews, highlighting key themes in , and lecture clarity. Credibility rating: High.

🎯 Teaching Quality

70/100

“He is a little hard to understand just because English is not his first language, but he truly wants you to pass”

💯 Grade Support

77/100

“Super easy and gives you a ton of and a better grade.”

⚠️ Main Risk

45/100

“He moved way to fast and didn't show us how to do it step by step.”

Theme 1

❤️ About Support

  • Great professor. He really cares about his students and will personally help you if you're having trouble.
  • Professor Duan really cares that you understand what you are doing.

Theme 2

📈 About Grades

  • it all right he gives credit for trying.
  • he gives a lot of and easy exams

Theme 3

⚠️ About Lecture Clarity

  • His teaching style can be difficult to follow, a lot of times I resorted to teaching myself material at home.
  • If your good at math then this class will be breeze but if you really want to learn get a prof that you can understand clearly.

Data context

See exactly what the AI read.

Analysis sample

40

Recent reviews read by the AI

40

Lifetime ratings

88/100

Evidence confidence

Forty reviews across many years provide consistent evidence , and grading.

Inside 40 stored ratings

Quality ratings

5 out of 515
4 out of 513
3 out of 58
2 out of 53
1 out of 51

Course coverage

MATH33012 reviews
MATH325 reviews
MATH3724 reviews
MATH4004 reviews
MATH1203 reviews
Show 7 more courses
MATH253 reviews
MATH3703 reviews
MATH3422 reviews
MATH0251 review
MATH1001 review
MATH3101 review
MATH501 review

Reported outcomes

A range results lead the reported letter grades.

27 reported outcomes

A range

18

A+ 6 · A 12

B range

6

B+ 2 · B 2 · B- 2

C range

0

No reported values

D range

0

No reported values

F

0

No reported values

No letter grade reported

3

Not sure yet 3