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24 December

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Today is the final day of the Chalkdust advent calendar.

Click here to open today’s door.

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Top ten vote issue 04

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What is the best part of a circle?

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Issue 04

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Issue 04 was released on 4 October 2016. Enjoy the articles online or scroll down to view the magazine as a PDF.

Features

Fun

Printed versions

or

Download Issue 04 as a PDF

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What’s hot and what’s not, Issue 04

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Maths is a fickle world. Stay à la mode with our guide to the latest trends.

Mathematical crochet

HOT Mathematical crochet

Hyperbolic surfaces! Klein bottles! Impress fellow passengers with your DIY manifolds!
[Picture: Flickr user Pandaeskimo, CC BY-NC 3.0]

NOT Paper Möbius strips

As Dirichlet says, Möbius strips should be band.

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