Johny Hellmann
Lehman College professor
Chill Rank and student ratings
Chill Rank 5 of 5: Brutal?Brutal: among the toughest at CUNY
- Overall
- 2.3/5
- Difficulty
- 4.0/5
- Would take again
- 13%
From 38 student ratings on Rate My Professors. The Chill Rank weighs difficulty most; here is how it works.
Fall 2026 sections taught by Johny Hellmann
- MAT 172: PrecalculusClosed
G401-LEC Regular · In Person · Mon/Wed · 2:00 PM - 3:40 PM
- MAT 348: Math Methods For ManagementOpen
01-LEC Regular · In Person · Mon/Wed · 4:00 PM - 5:40 PM