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Dibs Fall 2026 Sign in

COM SCI M282A

Cryptography

Course statistics

Predicted GPA
3.49
n = 99 · 4 terms · ± 0.052
A range
55%
of letter grades
Taken P/NP
0%
— of those passed
D / F / W
0.0%
incl. withdrawals

Sections in Fall 2026

Sections offered, with live enrollment and predicted GPA
Section Status Enrolled Seat risk Meets Instructor Predicted GPA
Lec 1 Open
20 of 50
40% full
 seats likely MW 4:00pm-5:50pm Ostrovsky, R.
3.50n=99 · this instructor

Enrollment history

Final enrollment per term, averaged across that term's sections. Four years deep, summer excluded. Per-section live curves are on each section page.

  • 3321F
  • 2522F
  • 2524W
  • 1624F
Enrolment by term: 21F 33, 22F 25, 24W 25, 24F 16
Peak 33 Most recent 16 in 24F 4 terms on record

Grade distribution

  • A+ 5 · 5.1%
  • A 29 · 29.3%
  • A- 20 · 20.2%
  • B+ 19 · 19.2%
  • B 14 · 14.1%
  • B- 12 · 12.1%

Grey bars are non-letter outcomes — P/NP, S/U, incompletes. They are excluded from the GPA entirely rather than scored, because counting a P as a 4.0 would be a fabrication.

By instructor

Instructor Predicted Raw n Terms A range
OSTROVSKY, RAFAIL 3.50 3.51 99 4 55%

“Predicted” is shrunk toward the course average, which is itself shrunk toward the department — so an instructor with a handful of students sits near the course mean rather than topping the list.

By term