The Curious Engineer

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Something or other, whatever!

somethingorotherwhatever.com

Christian Lawson-Perfect's homepage

MathFun / humourJavaScript / TypeScript

’10’15’20’25
Posts
338 from 31 May 2007 to 4 Apr 2026
Posting
monthly (17 in the last year)
Kind
personal blog
Feed
https://somethingorotherwhatever.com/atom.xml

2026 9

  1. Easter bunny surveillance
  2. Lawsolar-panelfect
  3. DIG display screen
  4. Word domino maker
  5. Prime power factor graph
  6. Number builder
  7. Marking sets
  8. Random emoji
  9. 2026 memory

2025 42

  1. Christmas clock
  2. Proportional text
  3. Railway clock
  4. Triangulate π
  5. beachspectres.com
  6. MathsJam 5 minute timer
  7. Fuzzy graph shader
  8. Colour shuffle
  9. Beach Spectre practise
  10. Payton Asch's Herschel enneahedron construction
  11. Accessible conferences and events
  12. Pixel counting fixed point finder
  13. Talks about Numbas
  14. Webcam Julia fractal
  15. Julia sets to Mandelbrot
  16. Julia and Mandelbrot side-by-side
  17. Irrational Collatz function
  18. Numberphile: The 9-sided Enneahedron
  19. Integer credits sequence
  20. Knop's game
  21. Magic Knight's tour tool
  22. Aperiodic monotile reference
  23. Numeral conversion
  24. 3D Herschel enneahedron
  25. Colour vision deficiency simulator
  26. Improving accessibility of teaching and assessment material in maths, stats and physics
  27. Hilbert clock
  28. Roman coin converter
  29. Accessible teaching for Maths, Stats and Physics
  30. Thomson problem
  31. Sorting game
  32. Accessibility demo day
  33. Fontsource font picker
  34. CLP's map
  35. CSS Quest
  36. QR code generator
  37. Hilbert dots
  38. Train track game
  39. Monthly MathsJam dates
  40. Tiling the plane with one of each n-gon
  41. Emoji search
  42. Draggy road game

2024 35

  1. Wobble block
  2. Aperiodic monotile hoodie designer
  3. Hex-grid wallpaper
  4. Wobble on a hex grid
  5. Mandelbrot fractal
  6. Dynamic system dot plot
  7. Explain this grid sequence
  8. Automatic colour palette maker
  9. Which colours are similar?
  10. Entropy animation
  11. Unicode scroll
  12. Big Internet Math-Off vote plot
  13. Add a TeX command to MathJax v3
  14. Can Elm make arbitrary HTML in a custom element?
  15. Numbas poster
  16. Order those numbers!
  17. Eukleides editor
  18. Embedded Numbas question
  19. JME calculator
  20. SVG animation
  21. Nudging along implicit curves
  22. Binary clock
  23. Binary letter search
  24. Dig a hole game
  25. Make numbers more exciting
  26. Metro info
  27. Numbas theme written in Elm
  28. Reverse the list of integers
  29. Unix epoch clock
  30. Think server
  31. Hyperjumps knockoff
  32. How should I colour the days?
  33. Tiny Elvis
  34. Colourblind palette maker
  35. Randomised permutation chart curves

2023 13

  1. Double Back
  2. Wordy Christmas cards
  3. Clip my face
  4. Morse Key
  5. GeoGebra custom element
  6. QR code generator (Glitch)
  7. Keyboard bashing
  8. Unicode math normalization
  9. Aperiodic monotile images
  10. Django ActivityPub bot
  11. Numbas spreadsheets extension
  12. Twitter archive generator
  13. Birthday magic square

2022 28

  1. Five talks about trains
  2. Random trees in circles
  3. Can I also use?
  4. Listen to a sequence
  5. Numbas lockdown app for iOS
  6. Written number extension for Numbas
  7. watchmake
  8. Mathematical Guess Who?
  9. Numbas lockdown app
  10. The unintentionally useful consequences of playing games with maths
  11. CSS binary clock
  12. Maths blockbuster
  13. Formula calculator template
  14. Shunting-yard algorithm animation
  15. Didn't Graduate Texts in Mathematics meme generator
  16. Oeisle
  17. Tractor Befunge
  18. Prime Run
  19. A Tale of log(2) Cities
  20. WordPress interactive element plugin
  21. CReal.js
  22. Rectangle pals
  23. Nulac
  24. Programming extension for Numbas
  25. Find Dracula
  26. JIGGRAPH
  27. Canvas LMS folder sync
  28. This island is big enough for the both of us

2021 21

  1. Floating-point calculator
  2. Chirun LTI in docker
  3. Chirun LTI server
  4. Each Edge Peach Pear Plum
  5. Graph theory extension for Numbas
  6. What colour is that?
  7. Line-by-line derivation
  8. Behind the design of Numbas
  9. QTI to Numbas
  10. A lullaby sequence
  11. WhyStartAt.xyz
  12. The Unicode guessing game
  13. Wordsearch generator mk 2
  14. Elm on Glitch
  15. Pentagonal spirals
  16. Your laptop knows more than Euler
  17. My robot draws TeX
  18. Postcard maker
  19. Which One Doesn't Belong? maker
  20. Extract data from a Numbas exam
  21. Plotter tools

2020 23

  1. MathsKlatch 2020 camera operator
  2. Download text file extension for Numbas
  3. Gaussian origami
  4. Lean Blockly
  5. Fix the maths on wordpress.com
  6. The enormous difficulty of telling the truth about escalators with statistics
  7. Unix permutation clock
  8. The permutation clock
  9. transcriptpage
  10. Inclusive e-assessment
  11. Absolutely huge memory
  12. Wobbly clock!
  13. Moodle SCORM report for Numbas
  14. Make it rain, Bloomberg!
  15. Chirun in Docker
  16. Chirun
  17. Animations
  18. SAMDOB - The order of operations
  19. A paper version of the Seven Triples puzzle
  20. Triangular squares
  21. Triangular square 1
  22. Draggy box
  23. The Conant gasket

2019 19

  1. Numbas parts graph
  2. TikZJax demo
  3. Automatic Namesby
  4. My adventures in 3D printing: Seven Triples puzzle
  5. Baked sudoku
  6. Flock paths
  7. The homologist's nightmare
  8. Get the coins out of the bank
  9. Number dress-up party
  10. Sierpinski interpolation
  11. S o x
  12. TMiP 2019 - The Big Internet Math-Off
  13. Incident counter
  14. CLP's Nice Calculator
  15. Eukleides extension for Numbas
  16. My RedBubble shop
  17. Statistics extension for Numbas
  18. JSXGraph extension for Numbas
  19. Glass Sudoku

2018 28

  1. Zeckendorf cup arithmetic
  2. MathsJam countdown
  3. Distance to postcodes
  4. MathsJam retweeter
  5. Truchet polygons
  6. Spontaneous Venning
  7. Categorised Esoterica
  8. This matrix joke is only barely worth your time
  9. Unit fractions are all you need
  10. Reciprocals
  11. Factorisation list
  12. A big countdown
  13. A big clock
  14. Chemistry extension for Numbas
  15. The People Shuffler
  16. Quantities extension for Numbas
  17. Random statistically plausible people
  18. Divisibility diagrams
  19. The Big Internet Math-Off
  20. Get the Average Right
  21. Spinny squares
  22. I can name your polynomial
  23. Polar fractions
  24. The incredible palindromic hat-trick
  25. Stecklegram
  26. The never-ending sum
  27. Time
  28. Dudeney puzzle 403

2017 17

  1. asciimath2tex
  2. Circular lights out
  3. Lights modular out
  4. Exploding dots counter
  5. Random person extension for Numbas
  6. The curious mathmo talks to David Roberts
  7. Some maths jokes
  8. Linear algebra extension for Numbas
  9. Hexaflex yourself
  10. mathsjam.com
  11. Nul points!
  12. tootbib
  13. The MathJax URL
  14. A day in the life of a maths e-learning officer
  15. JME marking algorithms
  16. Jupyter Interactions
  17. cp's betablog

2016 28

  1. checkmyworking.com in spress
  2. Staticize WordPress
  3. Zeta plot
  4. A clever horse - Theory and applications
  5. Grammars for informal notation
  6. Numbro extension for Numbas
  7. Interactive Puzzlebomb puzzles
  8. GeoGebra extension for Numbas
  9. Sierpinski dots
  10. emojiördinates
  11. A quiz in Elm
  12. Katie's nail painting puzzle
  13. bib-site
  14. Interesting Esoterica
  15. Numbas LTI tool provider
  16. Approximate a ratio by folding a piece of paper
  17. Prime tapestry
  18. Eat something or other, whatever
  19. π - It's complicated
  20. isthisprime.com
  21. The Is this prime? game
  22. Code Clicker
  23. Maths Objects
  24. Pancake flipping
  25. Circle designs
  26. Blackboard Numbas SCORM analysis
  27. The Great Intersectionator
  28. Duopoly

2015 15

  1. punchcards
  2. Unfurl an image
  3. Ask Clever Hans a question
  4. Traffic thingy
  5. Droste Dobble
  6. Optimisation problems extension for Numbas
  7. Tennis graph
  8. 30 second challenge
  9. Write maths with JME
  10. Sequences
  11. three.onefouronefivenine.com
  12. Wolfram|Alpha can’t. But CP can!
  13. Word Lock
  14. Polynomials extension for Numbas
  15. Word game

2014 15

  1. Wordsearch generator
  2. Watch out! I’m a blue whale and I’m about to land on you!
  3. Apparently I’m not a maths genius (or, On the Subject of Parcel Sizes)
  4. Linear codes extension for Numbas
  5. Download scores report for Moodle SCORM
  6. Moodle availability_username plugin
  7. Permutation groups extension for Numbas
  8. swirlograph
  9. Content MathML to Presentation MathML for MathJax
  10. MathJax in Twine
  11. Regex fractals
  12. Everyone’s a mathematician
  13. Building Houses
  14. cp's OEIS frontend
  15. Big Friendly BF

2013 12

  1. Plot differential equations
  2. LissaJS
  3. MathJax play area
  4. MathJax bindings for knockout.js
  5. An enneahedron for Herschel
  6. Little Professor
  7. Integer Sequence Reviews
  8. Art for a maths department
  9. Code excursions
  10. deck.js maths template
  11. Computability of Bass-Serre structures in the Grzegorczyk hierarchy
  12. MathJax bookmarklet

2012 10

  1. Spiral Life
  2. Zero-knowledge protocols
  3. Using Computer Modern on the web
  4. Olympic chokers
  5. make big maths
  6. WordPress writemaths plugin
  7. logerrific
  8. The Aperiodical
  9. Putting maths notation online
  10. An interesting puzzle from MathsJam

2011 16

  1. Princess in a castle
  2. Random Eratosthenetic Pseudo-Primes
  3. Aperiodical Round Up
  4. Hands-on Maths, or Here's One I Proved Earlier
  5. Tic-Tac-Reversi
  6. Kleinsteroids!
  7. Codes and Ciphers
  8. When's your next prime birthday?
  9. textile in javascript
  10. textile
  11. Monkey bits
  12. Write maths, see maths
  13. PHD-Notes
  14. Numbas
  15. Circles
  16. I can't believe it's a universal computer!

2010 1

  1. Check my working

2009 1

  1. Picaresque

2008 4

  1. Cards
  2. warpycode
  3. The unfortunate man
  4. The Failure Song

2007 1

  1. Christian does some stuff