AI Rate Professor

Mathematics

Christopher Doi

MATH202 · MATH253 · MATH203 · MATH5O · MATH1 · MATH201 · MATH50 · 26 lifetime ratings

AI rating
32/100
RMP rating
2.6/5
Take again
53.85%
Difficulty
3.3

The decision

if you are already strong in the math and comfortable learning mostly on your own.

Best fit · Self Taught ProSoft-spoken lecturesSelf-teach requiredTest heavyPolarizing math profExpects prior knowledge
  • Many students say lectures are hard to hear, board-focused, and leave you teaching yourself.
  • Works better if you already know the material or learn well from independent study.
  • and often tough; and makeups.

Key questions

Four answers before you build your schedule.

Is this an easy A?

HardWork

34/100

Even strong students call tests hard; beginners report withdrawals and .

All evidence is in-person; no online reviews.

Is the course easy?

Challenging

28/100

Pace and lecture style assume prior mastery; many call content and .

All evidence is in-person; no online reviews.

Is attendance flexible?

Varies

42/100

; others report it is not mandatory.

All evidence is in-person; no online reviews.

Is this professor recommended?

Depends

38/100

; fans like clear structure while .

All evidence is in-person; no online reviews.

Course guide

See how this professor fits your week.

Grading

Strict

32/100

and no-curve comments are common, though a few note and makeups.

Format shift

All evidence is in-person; no online reviews.

Workload

Heavy

35/100

, and weekly tests create a heavy rhythm for many.

Format shift

All evidence is in-person; no online reviews.

Teaching experience

Poor

34/100

Soft-spoken, board-facing lectures with weak Q&A leave many students feeling untaught.

Format shift

All evidence is in-person; no online reviews.

Assessment method

FocusOnExams

78/100

and ; homework often due on test day.

Format shift

All evidence is in-person; no online reviews.

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

26 reviews

High confidence · Best fit for Self Taught Pro

lecture-heavy, soft-spoken, fast or assumed prior knowledge, with and a split between fans of structure and students who felt abandoned.

Main concern

Beginners and students who need interactive help often struggle; many report useless lectures and .

What students said

“ . . His lectures are useless, you basically have to learn everything on your own.”
MATH50
“ you to know everything, he explains concepts to himself.”
MATH202
“ in math and is ok with teaching themselves.”
MATH50

Remote format

Online

0 reviews

Low confidence

No stored summary is available for this format.

Main concern

No main concern is stored for this format.

Exam style

Know what to expect from exams and major assignments.

Exams are frequent and often hard; reviews sometimes match tests and makeups are occasionally allowed.

Weekly quizzesMidterm and finalReview mirrors examMakeups sometimes allowed

Assessment risk

Standard

42/100

Low score means less forgiving assessment conditions.

In person

; some say exams match reviews and missed midterms can be made up.

Weekly quizzesTests hardReview similar to examMakeups possible
“once a week he'll give a quiz/test and even though he tells you what to expect on everything it's still very hard”
MATH50
“ as the review”
MATH50
“ and he is extremely considerate.”
MATH50

Online

Student evidence

See what students actually said.

Top student voice

“ . . His lectures are useless, you basically have to learn everything on your own.”

Voice snapshots generated from 26 in-person reviews, highlighting polarizing lecture quality and . Credibility rating: High.

🎯 Teaching Quality

34/100

“His lectures are useless, you basically have to learn everything on your own.”

📉 Recommendation Risk

38/100

“ enemy.”

🧠 Who Succeeds

70/100

“ in math and is ok with teaching themselves.”

📝 Assessment Load

78/100

“the tests (1/wk) are extremely difficult (b/c he doesn't do his job well)”

Theme 1

👨‍🏫 About Teaching Style

  • His style of teaching is monotonous and you can barely hear what hes saying
  • He literally just stood up in front of the class and wrote things on the board.
  • Sit up front, if you can; he is soft spoken.

Theme 2

📈 About Difficulty & Grades

  • . .
  • . STAY AWAY!!
  • if you have a good base already, you'll get an easy A as he gives a lot of questions during the exam.

Theme 3

🧭 Fit For Students

  • If you can just sit down, listen, and learn that way, than Doi's your man.
  • This professor is not for beginner trig students or refreshers.

Data context

See exactly what the AI read.

Analysis sample

26

Recent reviews read by the AI

26

Lifetime ratings

84/100

Evidence confidence

26 detailed in-person reviews over many years with a but recurring soft-spoken and .

Inside 26 stored ratings

Quality ratings

5 out of 54
4 out of 56
3 out of 53
2 out of 55
1 out of 58

Course coverage

MATH5013 reviews
MATH2025 reviews
MATH12 reviews
MATH2012 reviews
MATH2032 reviews
Show 2 more courses
MATH2531 review
MATH5O1 review

Reported outcomes

B range results lead the reported letter grades.

10 reported outcomes

A range

2

A 2

B range

4

B+ 1 · B 3

C range

1

C 1

D range

0

No reported values

F

0

No reported values

No letter grade reported

3

Drop/Withdrawal 2 · Not sure yet 1