Submissions by R3G1R

Exponent Rule for Derivative: An Introduction

Calculus series: Limit laws on infinity explained

Calculus Series: Integration by intelligent guesstimation

Quadratic Factorisation for Mathematical Adults

Foundation of advanced math in 106 terms

Logarithm: An Introduction

Long division for integers: theory and alternative methods

Collection of Calculus Concepts and Symbols

Dr. Barbara Oakley's “Learning how to Learn” course starts today

Modern algebra in 16 tables and 200 symbols

Biostatistics: A review sheet [5 pages] [pdf]

Repertoire of Greek/Hebrew/Latin-based letters used in mathematics

Calculus Series: Introduction to Laplace Transform

Set Theory: A Summary

How to learn higher math: An illustrated guide

Foundation of Logic in 100 Symbols

Geometry and Trigonometry in a Nutshell

Four free ebooks on introductory linear algebra

LaTeX: A First Introduction

Laplace Transform: A First Introduction

Integer long division demystified (with theory and 4 alternative methods)

Comprehensive List of Mathematical Symbols [pdf]

Grade-school mathematics in 100 symbols

Rules for thriving on higher-level math (illustrated)

Higher Math Resource Hub: Foundational Stuffs

Reddit Mascots on Desmos

Workflowy: A simple note taking app centered around collapsible bullet points

Mathematical constants and operators for common math folks

Higher math proficiency test: An extended-problem-solving skill evaluation tool

Three methods for finding least positive residue in modular arithmetic