PinnedRussell LiminCantor’s ParadiseThe Greatest Mathematicians — A Data VisualisationOur modern society is built upon mathematics. And mathematics is built upon the achievements of thousands of outstanding individuals…·5 min read·Jun 18, 2022--20--20

PinnedRussell LiminNice Math ProblemsA Very Nice Algebra Problem from the 2023 China Math OlympiadThe Chinese IMO team eat sequences like this for breakfast!*·10 min read·Jan 3, 2023--3--3

PinnedRussell LiminCantor’s ParadiseLeast Squares vs Least Absolute Errors —A 250-Year-Old DebateFrom Gauss and the birth of statistics to modern data science and machine learning·9 min read·May 8, 2022--11--11

Russell LiminNice Math ProblemsA Nice Factorial Equation from the 2024 Australian Mathematical OlympiadSolve m! + k! = k! × n! for positive integers (k, m, n)·4 min read·Apr 11, 2024--1--1

Russell LiminCantor’s ParadiseYES sin(𝜋/5) DOES Have an Exact ValueCalculating sin(𝜋/5) using Similar Triangles and the Pythagorean Theorem·3 min read·Apr 4, 2024--7--7

Russell LiminNice Math ProblemsRound Table Meetings and the Lemma that is NOT Burnside’sA Fun and Practical Application of Group Theory·8 min read·Mar 26, 2024----

Russell LiminCantor’s ParadiseThe Golden Ratio — Hidden in Plain Sight! 🕵️♂️(within a regular pentagon)·5 min read·Jan 25, 2024--3--3

Russell LiminNice Math ProblemsClosed Curve on a SphereMy favourite 💖 problem from the 2023 AMC 10·3 min read·Jan 8, 2024--2--2

Russell LiminNice Math ProblemsRemove All Rectangles from a Square Grid2023 China Girls Math Olympiad — Problem 2·5 min read·Dec 31, 2023----

Russell LiminNice Math ProblemsFind All Positive Integer Solutions2023 China Girls Mathematics Olympiad — Problem 1·5 min read·Dec 26, 2023--1--1