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…Jun 18, 202221Jun 18, 202221
PinnedRussell LiminNice Math ProblemsA Very Nice Algebra Problem from the 2023 China Math OlympiadThe Chinese IMO team eat sequences like this for breakfast!*Jan 3, 20233Jan 3, 20233
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 learningMay 8, 202211May 8, 202211
Russell LiminNice Math ProblemsYes High School Math in China is Hard!🧨Here is the final problem from the 2024 Gao Kao Math PaperJun 141Jun 141
Russell LiminNice Math ProblemsPythagoras Would Have Loved This Pyramid Theorem! 🥰A pyramid is constructed by gluing together three right triangles with areas A, B, and C, so that the hypotenuses form a triangular base of…Jun 6Jun 6
Russell LiminCantor’s Paradise3D Math Animation — Geogebra vs Desmos vs ManimIn this article I will discuss the pros and cons of Geogebra, Desmos 3D and Manim for creating a 3D geometry animation. The specific…May 243May 243
Russell LiminNice Math ProblemsSlicing a Cube With 8 Planesis *not* so simple to visualize!May 191May 191
Russell LiminNice Math ProblemsCan You Tell the Time on This Clock?This clock is ambiguous — or is it?Apr 263Apr 263
Russell LiminNice Math ProblemsA Nice Factorial Equation from the 2024 Australian Mathematical OlympiadSolve m! + k! = k! × n! for positive integers (k, m, n)Apr 114Apr 114