I have written a couple of papers with the goal of providing a reference for common topics as well as addressing specific problems.

You can find some of these pieces papers below, or use the navigation in the drop-down menu above (hover over “Maths” without clicking) to search for pieces by topic.

Statistical Inference Notes
Hoffman & Kunze Linear Algebra Problems
Real Analysis Notes
Riemann’s Explicit Formula For Prime Counting Function
Cryptography Overview
Applications Of Group Theory To Music
Fundamental Theorem Of Linear Algebra
Derivation Of Euler’s Formula From First Principles
Calc Proofs From First Principles
Linear Algebra Basics
Basic Arithmetic Primer
Options Basics