David Ding
Welcome!
Thank you for visiting my website! I maintain an active blog that I update once in a while. I hope you find it interesting!
Latest Writing
Beauty Eternal 📌
February 4, 2026
An original short story set in the world of Lorwyn-Shadowmoor from Magic: The Gathering.
Prime Perfection
September 30, 2025
Discover how primes and perfect numbers team up to create some of math's most beautiful secrets.
A Pi Day Puzzle (Pi Day 2025 Special)
March 14, 2025
A Pi Day math puzzle. Featured on Fiddler on the Proof.
Can You Squeeze the Heart? (Valentine's 2025 Special)
February 14, 2025
A Valentine's Day math puzzle.
The Bernoulli Integral
August 18, 2024
Evaluating one of the most unique integrals there is...and its cousin.
My Message to FIBA: Put Basketball Over Olympics
July 21, 2024
Let Olympic basketball players compete for the sake of the Olympic Games.
Should You Lie On Your Resume? The Paradox of Fairness
January 24, 2024
You should never lie on your resume, and it's not for the reasons you think.
E = mc^2
January 5, 2024
Making one of the most famous equations in human history accessible to everyone.
To Put Things in Perspective
January 3, 2024
A few things you might not have thought of, but will put your mind in the greater perspective of things.
Filter Filter Filter
December 25, 2023
What do prime numbers have to do with one of the most famous functions in math? And pi?
Eigenvalues (And Linear Algebra) Demystified
November 29, 2023
Linear algebra is more useful and less daunting than you think. Introducing its unlikely hero: eigenvalues.
Mid-Autumn Festival Crossword Puzzle
September 25, 2023
A moon-themed crossword puzzle in celebration of the Mid-Autumn Festival.
How I Crossed Crosswords Part 3: Constructing a Crossword
September 30, 2022
My crossword journey reached a new realm: it's time to make a crossword puzzle.
How I Crossed Crosswords Part 2
August 7, 2021
My crossword journey redux--made more intimate this time.
How I Crossed Crosswords
June 15, 2021
On the one year anniversary of my subscription to the New York Times Crossword Puzzle, I reflect on my quirky and lexical journey.
They Did Not Do So In Vain
December 5, 2020
Reflecting on 2020 based on an event that happened six years ago.
Gambler's Cranberry Sauce
November 27, 2020
It's the day after Thanksgiving. Do you dare gamble on the cranberry sauce?
Think More, Work Less
October 10, 2020
In an age of misinformation, let's strive to do something instrinsically human: think.
Simplicity Meets Sophistication
May 3, 2020
The Poisson distribution: simple concept, sophisticated consequences.
Being Sassy to Socrates
April 18, 2020
Intro on how to talk back at one of the greatest philosophers of all time.
Coin Rotation Paradox: Solving for the General Case
April 12, 2020
A fresh take on an all-time classic.