More from Chalkdust
We don’t talk about the integers
Simone Ramello explores the hic sunt leones of the friendliest numbers we know...
Review of Problem Solving in GCSE Mathematics
We have a go at the puzzles in Daniel Griller’s new book
Chalkdust Issue 08 – coming 19 October
Join us at our upcoming launch party!
Cardioids in coffee cups
Staring at your coffee, you wonder whether the light reflecting in cup really is a cardioid curve...
Puzzles, Issue 03
Solve the puzzles that appeared in Issue 03.
Pandigital square numbers
Why are there none in base 13?