Hi, I'm
Miguel Torres Costa
I studied mathematics in the UK, taught it in Shanghai, and now live in Porto. I write about maths, decisions and the systems we live in, and build small things you can play with.
Latest writing
Wordle
A Wordle solver: type in the colours you got and it suggests your next guess.
Easy to State, Hard to Solve
In how many ways can you tile a 3×n grid with dominoes? A worked solution.
Mathsy Shortcuts
Small reasoning shortcuts, like seeing the geometric mean as an average of magnitudes.
All 41 posts →
Projects
notes.mptc.ukMy notes on quantum theory, coding and books.
tools.mptc.ukSmall browser tools: rank votes, decision trees, verb drills and more.
WordleA Wordle solver: type in the colours you got and it suggests your next guess.
Strange AttractorsPlay the chaos game: pick attractor points and watch fractals appear.
MasterMind - GamePlay MasterMind against the computer with your own alphabet and code length.
Asset DivisionAn interactive tool for dividing shared items fairly when people value them differently.
Reading
