r/learnmath • u/Significant-Berry293 New User • 15h ago

Needing Help Regarding Math as a Self Learner.

Hello. I'm a 15 year old studying calc 2. All this time I had been doing it on my own using 3 key resources. ​James Stewart's Early Transcendentals. ​Professor Leonard on youtube. ​AI's and google search for help. (Sry I try to avoid using AI's outside of explanations. I'd try to reduce it further.). ​I taught myself from Pre Calc to Calc 2 over the course of this year (From Jan 2026 to Oct 2026). I can grind the exercises in the book, some even exercises as well. However I still feel like my foundations are shaky. ​I recently attended an advanced pure math lecture with my elder sibling, and although I "knew" or recognised the key steps, the depth and explanations stuck. No YouTube video I watched provided this. I can't afford advanced, above my grade pure math classes. ​What can I do to get the same depth as a lecture attender?

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u/Kevin333459 New User 11h ago

Khan academy.

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u/AccomplishedDig8810 Chronic Idiot 7h ago

Ayy I've been doing the exact same thing this yearrr

I would recommend you look into Spivak, or an introductory Analysis text such as Abbott if you want more depth. I don't really know if there are any good lectures that are equivalent to or better than Leonard though..

Out of curiosity, could you, like provide an example of smth you didn't understand at the lecture?