AI Rate Professor

Mathematics

C. Alfred Yen

MATH240 · CALC3 · MA115 · MATH245 · MATH115 · MATH260 · ALGAMATH · MATH2134 · MATH155 · MATH238 · MATH3118 · MATH227 · MATH125 · MATH225 · 77 lifetime ratings

AI rating
18/100
RMP rating
2.4/5
Take again
29.41%
Difficulty
4.2

The decision

if you are already strong in math and .

Best fit · Hardcore LearnerTough graderTest heavyCondescendingLecture heavyPolarizing math style
  • Majority of 50 reviews rate him poorly for speed, rudeness, and .
  • Hard workers sometimes succeed; , and zero partial credit.
  • Online or remote pandemic terms drew especially harsh complaints.

Key questions

Four answers before you build your schedule.

Is this an easy A?

HardWork

22/100

Even motivated students , and high dropout rates for an A.

Online reviews are even harsher .

Is the course easy?

BrainBurner

18/100

Average difficulty is high and comments repeatedly say lectures race and .

Both formats describe very hard math; online adds chaos rather than ease.

Is attendance flexible?

Mandatory

18/100

Many reviews say attendance is mandatory or warn you will not pass if .

and in-person comments.

Is this professor recommended?

Avoid

28/100

About 29% would take again and the dominant student message is run or avoid.

; in-person reviews are mixed but still mostly negative.

Course guide

See how this professor fits your week.

Grading

Harsh

18/100

, and low class averages dominate.

Format shift

; online extra-credit traps made it worse for some.

Workload

Heavy

22/100

Lots of , and multiple hard midterms are common.

Format shift

Heavy workload is consistent across formats.

Teaching experience

Poor

28/100

Some praise energy and rigor, but far more report belittling, speed, and .

Format shift

In-person has a small fan base; .

Assessment method

FocusOnExams

78/100

, and grade-driving timed problems.

Format shift

Online and .

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

48 reviews

High confidence · Best fit for Hardcore Learner

a and motivating, while most describe insults, fast lectures, and brutal tests.

Main concern

, and frequent belittling.

What students said

“He does not give you partial credit on your answers if its wrong you get a 0. RUN.”
MATH238
“this guy has no business teaching. insults students if you don't understand how he teaches.”
MATH115
“Extremely insulting and has no respect for his students.”
MATH240

Remote format

Online

2 reviews

Medium confidence · Best fit for Hardcore Learner

Online reviews are extremely negative, citing condescension, ignored questions, and failing class averages.

Main concern

Remote delivery amplified frustration, poor support, and .

What students said

“ average was below a c.”
MATH227
“Incredibly condescending and rude man, barely taught anything and if we asked questions he would tell us to go to a tutor for help.”
MATH225

Exam style

Know what to expect from exams and major assignments.

, with strict scoring and limited cushion.

Test heavyHard midtermsLittle partial creditPractice tests

Assessment risk

Strict

28/100

Low score means less forgiving assessment conditions.

In person

, and often graded with little partial credit; practice tests help if you master them.

Hard midtermsFinal replacement options sometimesLittle partial creditPractice tests
“ .”
CALC3
“He does not give you partial credit on your answers if its wrong you get a 0.”
MATH238
“In class quizes, 3 midterms 1 final.”
MATH125

Online

Online terms included timed in-class problems counted as graded and very poor support.

Timed graded problemsTest heavyTough grader
“Gave us" "worth more points than 1 exam each, during the class, 5-10 min to solve new topic problems and then made it a part of our grade.”
MATH227
“barely taught anything and if we asked questions he would tell us to go to a tutor for help.”
MATH225

Student evidence

See what students actually said.

Top student voice

“ average was below a c.”

Voice snapshots generated from 50 reviews (2 online, 48 in person), emphasizing the dominant negative themes. Credibility rating: High.

🎯 Teaching Quality

28/100

“Not only can he not teach effectively, he is a rude and condescending person.”

⚖️

18/100

“He does not give you partial credit on your answers if its wrong you get a 0. RUN.”

👎 Recommendation

28/100

“Simply put, if you want to learn and need the .”

🔥 Workload & Tests

22/100

“ and long. lots of online HW and in class HW.”

Theme 1

👨‍🏫 About Teaching Style

  • teaches too fast
  • condescending and rude
  • goes by the book. too fast.

Theme 2

📈 About Difficulty & Grades

  • .
  • class average was below a c

Theme 3

💬 About Classroom Climate

  • makes fun of students that dont understand
  • insults students
  • meanest teacher i ever met

Data context

See exactly what the AI read.

Analysis sample

50

Recent reviews read by the AI

77

Lifetime ratings

88/100

Evidence confidence

50 reviews over many years show a large, consistent majority of negative difficulty and demeanor complaints.

Inside 50 stored ratings

Quality ratings

5 out of 516
4 out of 56
3 out of 510
2 out of 511
1 out of 534

Course coverage

MATH11518 reviews
MATH2457 reviews
MATH1255 reviews
MA1154 reviews
MATH2274 reviews
Show 10 more courses
MATH2252 reviews
MATH2402 reviews
1151 review
ALGAMATH1 review
CALC31 review
MATH1551 review
MATH21341 review
MATH2381 review
MATH2601 review
MATH31181 review

Reported outcomes

No letter grade reported results lead the reported letter grades.

16 reported outcomes

A range

2

A+ 1 · A 1

B range

2

B+ 1 · B 1

C range

2

C 2

D range

1

D 1

F

0

No reported values

No letter grade reported

9

Drop/Withdrawal 1 · Not sure yet 8