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Hasse diagram and…

Nora is a master’s student at UCL, interested in applied maths. When not studying, you can (almost always) find her reading.

Significant figures: Sofya Kovalevskaya
Nora Koparan tells the story of the first female professor of mathematics
Christmas puzzles: the solutions
We reveal the solutions to our Christmas puzzles!
Top ten vote issue 08
Vote for your favourite Chalkdust regular
Heads and Tails
An unexpected way to beat the odds in this classic game
Number Rumbler–a new fun maths game!
Maths on Toast is a charity that aims to challenge and change the public's perception of mathematics...
Crossnumber winners
Are you a winner?