I want to continue learning physics and math

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The discussion centers on an individual's desire to relearn physics and math after a few years away from formal education. They are currently reading the Feynman lectures and plan to revisit their old university textbooks, starting with calculus and mechanics. Recommendations for textbooks include "An Introduction to Mechanics" by Kleppner & Kolenkow and "Classical Electromagnetism" by Griffiths, while suggestions for additional subjects like differential equations and quantum mechanics are sought. Participants advise a structured learning path, beginning with single-variable calculus and linear algebra, before progressing to more advanced topics. Engaging with various physics books of interest is encouraged to maintain motivation and enhance understanding.
Johnny Blade
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Hello,

I want to relearn and continue learning physics and math. I went to university studying physics for a few years but I never graduated. It's been three years and now I want to continue learning physics as a hobby. Right now I'm reading the Feynman lecture on physics but after that I'd like to jump back into proper textbook. I still have my old ones from university.

First I'd go over the differential and integral calculus from Calculus by Stewart.

Then An Introduction to Mechanics by Kleppner & Kolenkow. How's the second edition? Does anyone have it?

Multivariable calculus and vector analysis parts from Calculus by Stewart.

Classical Electromagnetism by Good, is there a good suggestion for a substitute here? I heard a lot of good things about Griffiths.

Linear Algebra by Strang.

Vibrations and Waves by French.

Relativité et Invariance by Pérez. Maybe a suggestion for an English textbook to get used to the English terms.

Mechanics by Symon. I found this book in a pawn shop and bought it. I never really used it but I'm looking forward to, the problems look challenging.

Quantum Physics by Eisberg and Resnick.

Fundamentals of Statistical and Thermal Physics by Reif.

Here are the subjects that I never had a chance to learn: Differential Equations, Mathematical Physics, Complex Analysis, Functional Analysis, Differential Geometry, Optics, Solid State Physics, Quantum Mechanics and Nuclear Physics. I'd like recommendation for textbooks for these subjects and a good order to learn them. And any suggestions and comments are welcomed.

Thanks.
 
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I advise starting with single-variable calculus, linear algebra and mechanics, in parallel. When you are done with them and know them pretty well, do multivariable calculus, differential equations, E&M, in parallel. Then you will be in a much better position to decide what to learn next. For now, it is too early to speak about what should come later.

Of course don't hesitate to read any other physics book that interests you in the mean time.
 
It may be worthwhile to look up the undergraduate catalog on your university's website. It should list courses offered and if you're in luck, the books too. Stick with them, so if you return to school you'll be way ahead.
 
Hey, I am Andreas from Germany. I am currently 35 years old and I want to relearn math and physics. This is not one of these regular questions when it comes to this matter. So... I am very realistic about it. I know that there are severe contraints when it comes to selfstudy compared to a regular school and/or university (structure, peers, teachers, learning groups, tests, access to papers and so on) . I will never get a job in this field and I will never be taken serious by "real"...
Yesterday, 9/5/2025, when I was surfing, I found an article The Schwarzschild solution contains three problems, which can be easily solved - Journal of King Saud University - Science ABUNDANCE ESTIMATION IN AN ARID ENVIRONMENT https://jksus.org/the-schwarzschild-solution-contains-three-problems-which-can-be-easily-solved/ that has the derivation of a line element as a corrected version of the Schwarzschild solution to Einstein’s field equation. This article's date received is 2022-11-15...

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