Proof of Concept
Mathematics for aspiring mathematicians. Created by Dr. Katherine Stange at the University of Colorado, Boulder. Learn about me under the "Community" tab, or here: https://math.katestange.net/
Rethinking the real line #SoME3
The Intuition behind the Double-And-Add / Square-And-Multiply Algorithm (Also Just a Fun Puzzle!)
Шифр ADFGVX: шифрование и дешифрование (обновлено)
Lehmer Factor Stencils: A paper factoring machine before computers
Studying Apollonian Circle Packings using Group Theory
The modular inverse via Gauss not Euclid
The extended Euclidean algorithm in one simple idea
ADFGVX Cipher: Encryption and Decryption (OLD VERSION: SEE NEW VERSION LINK BELOW)
Cryptanalysis of Vigenere cipher: not just how, but why it works
The Euclidean Algorithm: How and Why, Visually
Greatest common divisor and least common multiple: building blocks
Modular Arithmetic: Multiplication in Motion
Modular Arithmetic: Addition in Motion
Modular Arithmetic: In Motion
Modular Arithmetic: Under the Hood
Modular Arithmetic: User's Manual
Intro to LaTeX for beginning math majors
Abelian sandpile animation: toppling of an odometer of integral linear growth
Abelian sandpile animation: toppling of an odometer of integral quadratic growth
Abelian sandpile animation: toppling of an odometer of rational linear growth
Abelian sandpile animation: toppling of an odometer of rational quadratic growth
Abelian sandpile animation: toppling of an odometer of rational quadratic growth
The Intuition Behind Proof by Induction
The Dystopian Perspective on Logical Negation
Anatomy of a proof: if n is even, then n squared is even
Sets and their elements
What is an "if-then" statement?