Looking for a bit bigger ? My Christmas crossnumber, inspired by the amazing @chalkdustmag conundrum, is here once again! nollakohta.fi/2018/12/jouluris

@mscroggs Here are all the right-angled triangles for question 12 of the advent calendar.

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(•ㅅ•) ||
/   づ

Aaarg, I'm using \(\epsilon\) and \(\varepsilon\) (for two different values) in the same equation. I fear it may be time to burn this laptop and start my PhD again from scratch.

:chalkdust_scorpion: Do you love maths magazines and the first number that is neither prime nor semiprime? Then you'll love our 8th issue! chalkdustmagazine.com/

:chalkdust_scorpion: Do you love maths magazines and vertices of cubes? Then you'll love our 8th issue! chalkdustmagazine.com/

\[\sqrt{\sqrt{9} - \sqrt{8}} = \sqrt{2} - \sqrt{1}\]

Mathematical fact made entirely of straight lines (based on @Pecnut's idea):
\(\left|\frac{\mathsf{\Xi}}{|\mathsf{\Xi}|}\right|=1\)

The early-bird discount for the MathsJam Annual Gathering closes in two hours. Register here, payment details in the link you get sent:

solipsys.co.uk/MathsJamRegiste

More information here:

solipsys.co.uk/cgi-bin/MJ_Wiki

... or maybe this is worse:

\(x+\mathrm{x}=\mathsf{x}\)
\(\mathsf{x}+\mathrm{x}=4x\)
\(\mathsf{x}+x=3\mathrm{x}+1\)
Find \(x\), \(\mathrm{x}\), and \(\mathsf{x}\).

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Mathstodon

A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.

Use \( and \) for inline LaTeX, and \[ and \] for display mode.