AI Rate Professor

Mathematics

Scott Roby

150BC · 250A · MATH150A · MATH250A · MATH150B · MATH15 · MATH150BC · 52 lifetime ratings

AI rating
91/100
RMP rating
4.3/5
Take again
77.36%
Difficulty
3.5

The decision

if you want strong math teaching and , and invest serious time.

Best fit · Effort For RewardExcellent calculus teachingGenerous extra creditExam-review drivenHigh effort requiredTest heavy
  • Most students call him one of the because and cares about students.
  • The course is demanding and test-heavy, but , and lenient grading make success realistic.
  • A minority of students report , and poor outcomes when underprepared.

Key questions

Four answers before you build your schedule.

Is this an easy A?

FairEffort

72/100

An A is very reachable through exam , and , but it still takes real calculus effort.

Both formats reward practice, though online reviews include one warning that few students earned A grades.

Is the course easy?

Challenging

34/100

Calculus content is inherently hard, fast-paced, and though .

In-person and online reviews both describe hard math content, with and exams.

Is attendance flexible?

Recommended

46/100

, but many students say skipping class causes confusion and hurts performance.

In-person reviews strongly stress attendance, while online and reviews.

Is this professor recommended?

MustTake

88/100

Most students recommend him because his lectures, reviews, office hours, and .

Both formats are mostly positive, but and more intense complaints.

Course guide

See how this professor fits your week.

Grading

Lenient

82/100

Students often cite , and review-based exams as generous grading supports.

Format shift

In-person reviews give the strongest evidence for leniency, while online reviews also mention 3% and review-based tests.

Workload

Heavy

35/100

The class often requires frequent quizzes, , and substantial time outside class.

Format shift

, while online reviews mention WebAssign and homework taking hours.

Teaching experience

Excellent

91/100

Most students praise his clear lectures, passion, humor, office-hour help, and ability to make difficult math understandable.

Format shift

Teaching praise appears in both formats, with and more consistent sample.

Assessment method

FocusOnExams

86/100

Reviews repeatedly describe quizzes, four or , and as the core assessment structure.

Format shift

Both formats are test-heavy, while .

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

46 reviews

High confidence · Best fit for Effort For Reward

, and grading structure while warning that the class requires sustained practice.

Main concern

The biggest risk is falling behind in a test-heavy class with difficult math content.

What students said

“he might be the math course.”
MATH150BC
“This class is definitely a giant time investment, moreso than any other class I've taken.”
250A

Remote format

Online

4 reviews

Medium confidence · Best fit for Effort For Reward

Online reviews are mostly positive and , and make the class manageable despite hard calculus.

Main concern

Online students still , and limited A outcomes in some sections.

What students said

“ exams.”
250A
“only 3 people got an A in this class”
MATH150BC

Exam style

Know what to expect from exams and major assignments.

Exams are challenging and frequent but student-friendly in structure because reviews closely match tests and , and .

Exam ReviewsTest HeavyDropped QuizzesExtra CreditFinal Exam

Assessment risk

Standard

67/100

Low score means less forgiving assessment conditions.

In person

, and review-based questions, but do not clearly prove open-book or closed-book policy.

Four ExamsFinal ExamReview-Based QuestionsDropped QuizzesExam Corrections
“4 out of 10 questions of .”
MATH150B
“6 Quizzes (lowest grade dropped), 4 Exams, and 1 Final.”
MATH150B

Online

and exams come from reviews, but they do not clearly prove webcam use, proctoring, Lockdown Browser, open-book rules, or closed-book policy.

Exam ReviewsHomework-Based QuizzesExtra CreditWebAssign
“ .”
MATH250A
“4 questions from the review will be on the test exactly.”
MATH150BC

Student evidence

See what students actually said.

Top student voice

“Calc 3 is hard, but I'm glad I took him. Had a great experience.”

Voice snapshots generated from 50 reviews, highlighting key themes in teaching and grading. Credibility rating: High.

🎯 Teaching Quality

91/100

“one of the .”

⚖️

82/100

“he might be the math course.”

📚 Workload Reality

35/100

“This class is definitely a giant time investment, moreso than any other class I've taken.”

Theme 1

👨‍🏫 About Teaching Style

  • the prof made lectures easily digestible and entertaining.
  • He presents complex ideas simply yet still marvels in the beauty of mathematics.
  • He is attentive, passionate, energetic, and very knowledgeable in math.

Theme 2

📈

  • 4 out of 10 questions of .
  • Really generous with points, 8 quizzes drops your lowest 2, 5 exams replaces lowest with final.
  • tremendously help with your grades!

Theme 3

⚠️ About Difficulty

  • I'm not going to say Roby is easy, but ALL the resources are right in front of you to pass any of his calculus courses.
  • hardest math prof i ever had. so much work
  • and study 1 day and get an A.

Data context

See exactly what the AI read.

Analysis sample

50

Recent reviews read by the AI

52

Lifetime ratings

96/100

Evidence confidence

The analysis is based on 50 reviews across several years, with many detailed comments and consistent themes despite some polarized experiences.

Inside 50 stored ratings

Quality ratings

5 out of 536
4 out of 56
3 out of 55
2 out of 51
1 out of 55

Course coverage

MATH250A17 reviews
MATH150BC13 reviews
MATH150A6 reviews
150BC4 reviews
250A4 reviews
Show 2 more courses
MATH150B4 reviews
MATH152 reviews

Reported outcomes

A range results lead the reported letter grades.

41 reported outcomes

A range

17

A+ 1 · A 14 · A- 2

B range

16

B+ 7 · B 9

C range

3

C+ 1 · C 2

D range

1

D+ 1

F

0

No reported values

No letter grade reported

4

Drop/Withdrawal 3 · Not sure yet 1