A website for calculating how far you can ride your bike without pedalling
Updated 2025-07-12 11:28:26 +02:00
Generates jigsaw puzzles with two distinct solutions, as seen in Matt Parker's Stand-up Maths.
Updated 2025-05-14 23:39:51 +02:00
Distribute secret santas using cryptography
Updated 2025-04-20 19:01:30 +02:00