Doug Yegge

MATH425 · MATH65A · MATH25 · MATH31FT · MATH65B · CALC123 · MATH61 · MATH75 · 140 lifetime ratings

AI rating: 42/100
RMP rating: 3.7/5
Take again: 53.93%
Difficulty: 3.6

The decision

Take him if you want a rigorous math course and can study independently, but if .

Best fit · Hardcore LearnerTest heavyTough graderPolarizing teaching styleStrong for math-ready studentsHard exams

some call him an excellent math teacher, while .
The course is repeatedly described as test-heavy, difficult, and demanding.
He fits confident math students better .

Key questions

Four answers before you build your schedule.

Is this an easy A?

HardWork

38/100

An A is possible, but students repeatedly , and the need for strong math foundations.

Both formats require hard work, with online reviews adding proctoring and self-teaching concerns while and difficult exams.

Is the course easy?

Challenging

30/100

The math content is intellectually demanding, fast-paced, and often requires strong algebra, trig, or calculus readiness.

Online and , though in-person praise suggests clearer explanations for prepared students.

Is attendance flexible?

Depends

50/100

He is recommended by students who value rigor and deep learning, but many and .

Both formats are polarized, with online reviews slightly more negative because of proctoring and .

Course guide

See how this professor fits your week.

Grading

Strict

25/100

Many students call him a and say small mistakes or .

Format shift

adding concerns about few grading criteria and remote exams.

Workload

Heavy

32/100

Homework and practice are often substantial, and the real workload comes from preparing for difficult exams.

Format shift

Online reviews mention lots of homework and self-study, while and flipped preparation.

Teaching experience

Average

56/100

He can be excellent for prepared students, but many others , and support frustrating.

Format shift

and clarity, while online reviews more often report disconnected materials.

Assessment method

FocusOnExams

88/100

Reviews repeatedly describe the courses as .

Format shift

Both online and in-person sections are exam-focused, with online reviews especially mentioning proctored exams 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

27 reviews

High confidence · Best fit for Hardcore Learner

In-person reviews are polarized, with strong praise for passionate explanations but frequent warnings , and .

Main concern

The and may punish weak algebra or trig skills.

What students said

“His lectures are amazing; makes you love calculus.”
MATH65A

“ class/homework”
MATH65A

“If problems are not perfectly done you'll get half of it.”
MATH65B

Remote format

Online

23 reviews

High confidence · Best fit for Self Taught Pro

Online , and a mismatch between videos, homework, and tests, though some students praise the structure.

Main concern

, and disconnected from the .

What students said

“The .”
MATH65A

“ . screen records. saves your browser history and you cannot use two monitors.”
MATH25

“The class was very difficult but thanks to his guidance and .”
MATH65A

Exam style

Know what to expect from exams and major assignments.

Exams are the central risk because many students say , and sometimes remotely proctored online.

Test HeavyHard ExamsRemote ProctoringProctorioStrict GradingFew Graded Components

Assessment risk

Strict

24/100

Low score means less forgiving assessment conditions.

In person

, and not well matched to homework or examples, but do not clearly prove closed-book rules.

Hard ExamsTest HeavyStrict GradingFew Graded Components

“ class/homework”
MATH65A

“ and has questions that aren't on the homework.”
MATH65A

“If problems are not perfectly done you'll get half of it.”
MATH65B

Online

Online reviews explicitly mention , and exams unlike lectures or homework.

Remote ProctoringProctorioScreen RecordingHard ExamsTest Heavy

“Remotely proctored.”
MATH65A

“ . screen records. saves your browser history and you cannot use two monitors.”
MATH25

“Expect to use Proctorio and buy your own calculator for exams.”
MATH65A

Student evidence

See what students actually said.

Top student voice
“ if you like math and are interested in the whys v. just passing.”
Voice snapshots generated from 50 reviews, highlighting key themes in , and format differences; credibility rating: High.

🧮 Teaching Fit

56/100

“Prof Yegge is the best calc 3 professor at Chaffey College.”

⚠️

24/100

“The .”

⚖️

25/100

“If problems are not perfectly done you'll get half of it.”

Theme 1

👨‍🏫 About Teaching Style

His lectures are amazing; makes you love calculus.
He does flip teaching which is difficult for math.
You will end up teaching yourself or seeking a tutor that will actually teach you

Theme 2

📝 About Exams

and has questions that aren't on the homework.
The .
4 exams & a final. short amount of time to complete.

Theme 3

📈 About Difficulty and Fit

If you got A's on Algebra and Trig, This is your guy. If .
if you are familiar with the subject. !
If you're specifically a math major, he will be good for your math education.

Data context

See exactly what the AI read.

Analysis sample

Recent reviews read by the AI

140

Lifetime ratings

96/100

Evidence confidence

Fifty detailed reviews across online and in-person formats show a consistent pattern of , and polarized teaching experiences.

Inside 50 stored ratings

Quality ratings

5 out of 571

4 out of 519

3 out of 516

2 out of 54

1 out of 530

Course coverage

MATH65A19 reviews

MATH2511 reviews

MATH65B5 reviews

MATH755 reviews

CALC1233 reviews

Show 4 more courses

MATH613 reviews

MATH31FT2 reviews

4251 review

MATH4251 review

Reported outcomes

A range results lead the reported letter grades.

45 reported outcomes

A range

A+ 5 · A 5 · A- 2

B range

B+ 2 · B 5

C range

C 3

D range

D+ 4 · D 3 · D- 1

F

F 5

No letter grade reported

Drop/Withdrawal 2 · Not sure yet 7 · Rather not say 1

Doug Yegge

Take him if you want a rigorous math course and can study independently, but x x if x x x x x x x.

Four answers before you build your schedule.

HardWork

Challenging

Recommended

Depends

See how this professor fits your week.

Compare the in-person and online experience.

Know what to expect from exams and major assignments.

In person

Online

See what students actually said.

🧮 Teaching Fit

⚠️ x x

⚖️ x x

👨‍🏫 About Teaching Style

📝 About Exams

📈 About Difficulty and Fit

See exactly what the AI read.

Quality ratings

Course coverage

A range results lead the reported letter grades.

A range

B range

C range

D range

F

No letter grade reported

Take him if you want a rigorous math course and can study independently, but if .

⚠️

⚖️