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re: Classes required for your major that you have never used

Posted on 3/19/26 at 4:50 pm to
Posted by CleverUserName
Member since Oct 2016
17406 posts
Posted on 3/19/26 at 4:50 pm to
quote:

Engineering is full of Calculus in engineering classes, on top of 4 semesters of straight Calculus. I never used it once in my career. My boss got excited once because he thought calculus might apply to a plant problem. He was wrong.


I took business calculus with a guy who was also in Accountancy. I still remember this example where there was a room being designed that could only be so many feet around. And the goal was to find the length and width that would yield the most square footage. Till the day we graduated he called bullshite on that. "The damn room will be the same if it can only be so many feet around!! I don't care what witchcraft you put in the calculator and what the curve says!!" He almost fell out of his chair when there was another where you had overhead and price and the goal was to find out how many rooms in a hotel to leave empty for max profit. "The answers none! You puttem in the damn hall if they will pay for it!"
This post was edited on 3/19/26 at 5:02 pm
Posted by dgnx6
Member since Feb 2006
89564 posts
Posted on 3/19/26 at 4:53 pm to
Public speaking.


Only time I have given a speech was in that class.


Posted by 777Tiger
Member since Mar 2011
91938 posts
Posted on 3/19/26 at 4:55 pm to
quote:

Public speaking
.

I’m pretty sure that was required in my curriculum back then (CE.) Don’t recall getting much out of that class but I’ve ended up having to do a lot of public speaking over the years.
Posted by dirtsandwich
AL
Member since May 2016
7022 posts
Posted on 3/19/26 at 4:58 pm to
Southern Gothic Literature, 19th Century American Fiction, the English Novel, Shakespeare, Modern American Poetry. You name it.
Posted by Spankum
The Sip
Member since Jan 2007
62099 posts
Posted on 3/19/26 at 5:11 pm to
I have to say I likely used something g from every engineering class during my career except some of the senior-level engineering classes like Control Systems and Vibrations. I honestly, did not retain enough from those classes to use if I had wanted to do so.
Posted by TTU97NI
Celina, TX
Member since Mar 2017
1361 posts
Posted on 3/19/26 at 5:36 pm to
Same here Petroleum, and the mechanical and electrical and civil classes were not needed. Just do petroleum stuff. Not to mention the chemistry and physics 1 and 2 I had to take. complete BS oh and Spanish as mentioned above.
Posted by ChEgrad
Member since Nov 2012
3873 posts
Posted on 3/19/26 at 5:40 pm to
quote:

Engineering is full of Calculus in engineering classes, on top of 4 semesters of straight Calculus. I never used it once in my career. My boss got excited once because he thought calculus might apply to a plant problem. He was wrong.


I used calculus a good bit. And differential equations. Can’t say that I always remembered exactly how to integrate or solve, but the internet came through. Even cracked out my textbooks on occasion.

Now my job was on the technical side in R&D, so we were modeling processes and doing reaction engineering.
Posted by parrotdr
Cesspool of Rationalization
Member since Oct 2003
7850 posts
Posted on 3/19/26 at 6:08 pm to
Dentist here (pseudo-doctor, as my neurosurgeon brother calls me). Any of those "basic sciences", like organic chemisty (which I took) build your knowledge of the carbon-based chemical foundations of the human body and its processes and functions. Without all that pain in the arse studying much of the stuff you learned later wouldn't make as much sense, from how the body works, how drugs work and are designed, etc. etc.

So while you might not use it literally, like balancing chemical equations, it's still indispensable as a building block of things to come.

Sorry to get so serious...



Posted by Everyday Is Saturday
Member since Dec 2025
1343 posts
Posted on 3/19/26 at 6:35 pm to
Theatre was 1st to pop in head from subject line and then read your fine print on electives…

So, I take that back.

Undergrad - Abnormal Psyc
Graduate 1 - Management Theory (MBA)
Graduate 2 - Economics Policy (Econ)

As a Doctor, you touch more carbon than I did (big earl here). Kidding. Organically speaking, of course…pun.
Posted by BottomlandBrew
Member since Aug 2010
29830 posts
Posted on 3/19/26 at 6:38 pm to
quote:

Spanish


How are you not utilizing Spanish in the year 2026? I understand I work in construction and I'm around it all day, but I feel like most everyone has some sort of interaction with spanish speakers regularly. shite, at the very it should help you know what your housekeepers are saying about you.
Posted by Fat and Happy
Baton Rouge
Member since Jan 2013
19920 posts
Posted on 3/19/26 at 6:42 pm to
Probably 2/3rds of the classes i took

It’s just a chance for the university to make money for all the extra classes we have to take
Posted by Everyday Is Saturday
Member since Dec 2025
1343 posts
Posted on 3/19/26 at 6:42 pm to
quote:

Trigonometry


How do you cut your apple pi?

I loved Trig. Use it often.

Like pi for one example.
Posted by iglass
North Alabama
Member since Apr 2012
3134 posts
Posted on 3/19/26 at 7:44 pm to
I have an Applied Physics degree, with a second degree in Management of Technology. Minors in English and Engineering.

Incredibly useful classes:

-Statics
--Dynamics
-Physics lab classes
-Mechanics
-Electrical circuits
-Financial management

Incredibly worthless classes:

-Calculus on up, particularly matrix theory, differential equations, and cyindrical/sperical integration
-thermodynamics
-Phonetics
-Cobol programming language
-Fortran programming language
-Basic programming language
-Assembly language
-Modern American Architecture (interesting to take but worthless overall)

I get that some of the classes are required in order to form a basis of understanding. But out of my two degrees, I use probably about 2% of my college material even though I work in an engineering capacity.

Ironically, one of the absolute most valuable classes I ever took was a continuing education class one summer while I was in high school. My parents suggested that I take a typewriting class, and boy has that been worth it.

Edit: I forgot to add in the Engineering drafting class I took. It taught lettering, orthogonal views, 3-d drawing, etc. That has been incredibly useful over the years. On a side note, I was in the last class at Alabama that was 100% mechanical drafting. The next year, they installed a ton of Intergraph CAD computers.



This post was edited on 3/20/26 at 3:01 am
Posted by OweO
Plaquemine, La
Member since Sep 2009
122040 posts
Posted on 3/19/26 at 7:45 pm to
I can give you a shorter list by naming the classes that were helpful.
Posted by Everyday Is Saturday
Member since Dec 2025
1343 posts
Posted on 3/19/26 at 7:47 pm to
quote:

Cobol programming language -Fortran programming language -Basic programming language -Assembly language


No Pascal, aye?
Posted by Trevaylin
south texas
Member since Feb 2019
10925 posts
Posted on 3/19/26 at 8:39 pm to
A doctor that does not use chemistry in understanding Industrial Hygiene literature must be a chiropractor
Posted by Dr Jekyll
Member since Mar 2026
475 posts
Posted on 3/19/26 at 8:42 pm to
English
Posted by Trevaylin
south texas
Member since Feb 2019
10925 posts
Posted on 3/19/26 at 8:46 pm to
linear algebra in 1968. All about 1's and 0's in matrices. took me 30 years to understand it was the basis for digital computation.
Posted by N2cars
Member since Feb 2008
39507 posts
Posted on 3/19/26 at 8:48 pm to
No answer.
Posted by iglass
North Alabama
Member since Apr 2012
3134 posts
Posted on 3/19/26 at 8:57 pm to
Yeah, I should have listed that one also. I took BASIC in 1983 and Pascal in 1984 or 85. Cobol in 1989. Two different types of assembly language for the 8086 and Z80 sprinkled in there somewhere.

I personally started out with a BASIC cartridge on an Atari 400.
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