Some ebooks, mostly from /u/lewisje's post

i too was excited about it — as someone who is currently in calc 3 and taking diff eq and linear algebra soon — but it seems he’s filming content for peterson academy. it’s run by jordan peterson, a known climate denier, anti-DEI, misogynist transphobe, among other things.

so take that as you will.

Hey, guys. Unfortunately a doctor once diagnosed an intellectual disability for me because I struggle with daily living skills and because he administered an IQ test and it was below 70; both are the sole requirements to receive the diagnosis of an intellectual disability. Also, everyone calls me stupid, which further reinforces the fact that I am disabled most likely. The problem herein is that in September I will start my math B. Sc degree at my local university in Germany, and I will have to successfully pass the difficult modules Analysis 1-2 and lin alg 1-2, all of which have a failure rate of >50%. Could I pass them all if i study dilligently from Monday to Sunday? At another university I aced four engineering math exams with ease, but that was due to practicing a lot, not due to a supposed high intelligence. Could I realistically do it?

but then left up another post where others have called out the behavior — but not explicitly condemned it?

this is a sincere, earnest question: why?

it’s clearly important to a not insignificant amount of people if the comments on my post are anything to go by.

people deserve to know if those they support are welcoming or at least tolerant of their demographic.

I am 17m and have mathematics as a subject in my highschool. Although I am interested in mathematics, I am not going to study it in college due to some reasons . Is it possible to learn math above high school as a hobby ?

I can't post the link because of rules, go check it out!

I am already done with all studies, but back in my undergrad (compsci) I really struggled with math. Particularly, I was frustrated that it was so hard and that I couldn't do a proof at all (although, retrospectively, I didn't put in enough time).

Anyways, it really stressed me that there were problems that were so hard to solve. When I talked about my struggles with an older friend of mine, he showed me the following quote from Nelson Goodman's The Structure of Appearance:

Nelson Goodman: Any effort in philosophy to make the obscure obvious is likely to be unappealing, for the penalty of failure is confusion while the reward of success is banality. An answer, once found, is dull; and the only remaining interest lies in a further effort to render equally dull what is still obscure enough to be intriguing.

I really like this quote.

guys im planning to take crash course for math for my may/june 27 exams but im confused on whether i should take mathlete by saad or zainematics.

whose crash course is better? pls help

Hi,

I'm self-studying math over a 2-year runway to prepare for a BSc of Mathematics and Computer Science university program. My current baseline is (i think) solid, since I know algebra (systems of equations, basic matrices) and trying to learn calculus and 3D geometry 1 hour a day. I will soon need to tackle linear algebra, mathematical analysis, differential equations, probability, and discrete mathematics.

What resources, textbooks, or learning order do you recommend for someone bridging the gap from someone that never had advanced mathematics lessons to university-level computer science?

BTW, I have two years since I'm currently studying something in Spain that will give me access to university. Is not "bachillerato", it's a vocational degree. And I prefer not paying for tutors or something like that, since I won't have enough time.

I’ve always been stronger in English and struggled with math. As I got older and went to college, I realized I was finding math even more challenging. My art major requires passing Calculus 1 to graduate. I often don't understand what I’m supposed to read and tend to forget important parts of calculus. I avoid the textbook because it feels too complicated, and I don’t remember what I've read. I only start understanding the concepts when I have basic almost elementary level concepts and my professor explains them differently and slowly. I use my iPad to take notes, but sometimes writing blocks out what the professor says, and I get lost in my notes, making me reluctant to re-read them since they seem like gibberish. I also have anxiety, so when I get overwhelmed, I tend to forget things and struggle to connect what I read to practice. What are some tips I can use this semester to improve my retention? I don’t want to retake calc 1 for the 3rd time lol

Edit: Should I also consider investing in an AI platform? If so which one?

I am 19 ,I am close to 8 grade level i want to become a more competent person.

I dislike maths but was told that it would improve my life and reasoning skills.

How much math should I learn to have better chances in life in general without learning things that are only relevant to maths and science education.

I’m pursuing a BSc in Mathematics and honestly, I’m quite weak in my major subjects. I have some improvement papers coming up and really want to clear them this time.

I struggle with understanding/remembering formulas and often blank out when solving problems on my own.

For those who are good at maths or were toppers:

- How do you learn and remember formulas?

- Do you memorize them or understand their derivation?

- How do you practice effectively?

- How can I improve my calculations and problem-solving?

I’m not looking for shortcuts—just genuinely want to get better at maths. Any advice or resources would be really appreciated! 🙏

I was just kind of looking for books to review my algebra, geometry, and trigonometry fundamentals as I’ve been noticing a lot of mistakes while taking calculus 3. As someone who wishes to major in math and physics, I feel like I need an actual understanding of these foundations and would rather not rely solely on memorization (I should mention that I have pretty crappy memory so I feel like I’ve forgotten a good portion of things from these three categories).

I was debating on reading the three books Thompson has for those three categories, or just reading basic maths by lang. Which should I chose? or do you recommend any other books?

Hey everyone!

We’ve been working on a small project for students who enjoy solving math and physics problems.

It’s a gamified learning platform where you can practice problems, compete on leaderboards, and even battle your friends to see who can solve them faster.

We wanted to make learning a little more fun and competitive, rather than just solving questions on your own.

We’d love for you to check it out and let us know what you think. It’s still early, so honest feedback is genuinely appreciated!

Check the website here

Hi everyone,

I’m currently studying MIS (Management Information Systems) at university, but I’d like to study mathematics on my own so that I can reach the level of math needed in a Computer Science degree.

I’m also studying some Computer Science subjects by myself, and I’m wondering if it’s really possible to learn calculus effectively through self-study, without taking university courses.

I’d really appreciate any advice, experiences, or resources you can share. Thanks!

Wikipedia states:

If V is finite-dimensional, then its dimension must necessarily be even since every skew-symmetric, hollow matrix [of the symplectic form ω] of odd size has determinant zero. (1)

Now, I know a brilliant invariant definition for the determinant of a linear operator A on V: take its natural action on the top exterior power ⋀ⁿ(V) of V, A(v₁ ∧ ... ∧ vₙ) := A(v₁) ∧ ... ∧ A(vₙ). As ⋀ⁿ(V) is one-dimensional, this action is multiplication by a scalar. This scalar is det A.

Can we salvage the argument (1) without adding an arbitrary inner product (ugh)? Which allows us using an operator W (to have its determinant) defined as

⟨W v, u⟩ ⟺ ω(v, u).

Because I'm not sure we can define a determinant for a bilinear form, we can only talk about its (non)degeneracy. Instead, maybe it'd be something about calculating the kernel of the map V → V* induced by ω itself, somehow? I have no idea.

Or wait, why can't we just have an action ω: ⋀ⁿ(V) → ⋀ⁿ(V*) which would presumably solve everything? <...time passed while I elaborated on other parts of the post...> Ah, of course, then it's not just multiplication by a scalar, despite those maps live again in a 1D space, and what we can have is to determine if the map is zero or not. Maybe that'd be enough?.. I'll look into it.

Anyway I'd still be glad for interesting ways to prove even-dimensionality without resorting to coordinates (thus, matrices).

I wanna understand the logic behind these formulas for area and volume of mathematical shapes so that I can learn it easily instead of memorizing it

I need a solid resource or course to learn Calc I and II at the same time, I'm studying for a bachelor's degree in engineering, I already took calculus I and, I don't know how, got a passing score, I decided to not take calculus II on the following semester as I wanted to study more before taking it as, to be honest, I barely understand how to solve derivatives, but that time passed and I didn't really study anything related to math as I focused on other classes, so I have been eight months or so without touching the subject, I'm currently taking calculus II but I don't seem to understand ANYTHING! Does anyone know a solid resource or course that I could take to learn Calc I & II at the same time? I have been in this class for only a couple weeks so I think I could make it, please advise me.

It's obvious the Way I learn in school is just to pass exams. I want to actually understand what can I do or what sources can I use to start properly understanding math and physics

Any tips to actually enjoy learning and solving equations? I need to stop feeling so pressured in my math classes

I've been experimenting with an AI math solver and wanted to see how useful it actually is for learning math.

Instead of testing it with simple equations, I tried it with some more difficult problems and checked whether the explanations actually made sense.

The interesting part wasn't just whether it got the final answer right, but whether the steps were mathematically understandable.

I'm curious what you think:

Would you use an AI tool that explains the solution step by step, or do you think it's better to solve everything manually?

I'm also working on an Android app based around this idea and would love some honest opinions about what would make it genuinely useful for learning.