Algebra – Cantor's Archive
Proof Theory
A Simple Proof of the Quadratic Formula Using Symmetry
You Don’t Need to Remember the Formula
Numerical Analysis
Sextic Polynomials — A Practical Approach
At a young age a builder taught me how to mark out a right angle using the 3,4,5 triangle rule with a tape measure. That math practicality has stuck with me and recently I have been working to decipher it into its ‘LEGO block’ constituents to increase intuitive

Algebra
The Swirling Power Of Algebra
Equations are more mysterious than we think
Analysis
An Elementary Proof of the Fundamental Theorem of Algebra
Using only elementary methods we will prove the Fundamental Theorem of Algebra. Along the way, we’ll befriend some key ideas from…

Algebra
All About Root Systems
A visual introduction