Three-Sided is the ultimate flashcard app for serious maths and physics students. Master definitions, hints, and full proofs with structured, three-part cards. Designed for deep learning and powered by spaced repetition, LaTeX-style rendering, and AI-assisted creation.
You can import my flashcards to get started instantly — then refresh this page to study them.
Tip, wrap your maths in $ $
. Avoid \( ... \)
if you're using the autofill feature!