I started sharing notes online in 2013, in an undergrad hostel room, so anyone who needed them could use them. Since then, at least one person in the world has studied from my notes every single day. That streak matters to me.
Golden Notes is a pre-university set in the library. School level. The mathematics and physics that come before undergraduate study. It is a curated quick reference: key theorems, formulae, and solved examples across both subjects, made for fast revision.
I keep this on my shelf because a good quick reference has a particular quality. It answers the question you have right now, without making you work through pages of derivation first. Theorem. Formula. Solved example. That is the structure here.
The PDF is embedded on this page. Read it in the browser, or open and download it to keep.
Learn. Share. Repeat.