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MAT 155: Calculus I Laboratory at Lehman College

1 credit · Fall 2026

Calculus I Laboratory (MAT 155) at Lehman College has 0 ways to take it in Fall 2026, plus 5 recitation or lab times you pair with a lecture. 0 of 5 sections have an open seat right now.

Professors teaching it: Mark Mounsey and Johnny Veloz.

Of the 2 professors with a Chill Rank, Mark Mounsey ranks chillest (Chill) and Johnny Veloz least chill (Fair).

Compare them below, check the days and times, and add the course to your schedule.

Requirements

Co-requisite MAT 175

About this course

Calculus computer software will be used to illustrate the ideas introduced in MAT 175. Students will be asked to solve problems using the software and to submit lab reports.COREQ: MAT 175.

Best professors for MAT 155 at Lehman, Fall 2026

Ordered chillest first. A Chill Rank compares a professor with other CUNY professors on Rate My Professors difficulty, rating and would-take-again; it needs at least 3 ratings. How it works

MAT 155 sections, times and seats

Seat status as of Oct 4, 5:41 PM ET. Seats can change between refreshes. How fresh is this?

5 of 5 sections · 0 open

Chill Rank compares professors using Rate My Professors reviews, from Chill to Brutal. What each rank means

OA01-LAB Regular
Arranged · TBA
Online-Asynchronous
Mark MounseyChill Rank 1 of 5: Chill?★ 4.7(38)Difficulty 2.1/5 · 97% would take again#1 chillest of 2 for this course
Online AsynchronousClosed
OA02-LAB Regular
Arranged · TBA
Online-Asynchronous
Mark MounseyChill Rank 1 of 5: Chill?★ 4.7(38)Difficulty 2.1/5 · 97% would take again#1 chillest of 2 for this course
Online AsynchronousClosed
OA03-LAB Regular
Arranged · TBA
Online-Asynchronous
Mark MounseyChill Rank 1 of 5: Chill?★ 4.7(38)Difficulty 2.1/5 · 97% would take again#1 chillest of 2 for this course
Online AsynchronousClosed
OA04-LAB Regular
Arranged · TBA
Online-Asynchronous
Mark MounseyChill Rank 1 of 5: Chill?★ 4.7(38)Difficulty 2.1/5 · 97% would take again#1 chillest of 2 for this course
Online AsynchronousClosed
OA05-LAB Regular
Arranged · TBA
Online-Asynchronous
Johnny VelozChill Rank 3 of 5: Fair?★ 3.6(29)Difficulty 2.3/5 · 48% would take again#2 chillest of 2 for this course
Online AsynchronousClosed

Questions about MAT 155 at Lehman

Who teaches MAT 155 at Lehman in Fall 2026?
Mark Mounsey and Johnny Veloz are listed for Fall 2026. Each name links to a page with their Chill Rank and Rate My Professors numbers.
Is MAT 155 at Lehman hard?
It depends on the professor. Across the 2 professors with a Chill Rank, students on Rate My Professors give an average difficulty of 2.2 out of 5. The Chill Rank above compares them directly.
What if a MAT 155 section is full?
Try another section, join the waitlist in CUNYfirst if there is one, or ask the department. You can also watch a full section and get an email when a seat opens; you still enroll yourself in CUNYfirst.