Looking for a bit bigger #maths #puzzle? My Christmas crossnumber, inspired by the amazing @chalkdustmag conundrum, is here once again! https://www.nollakohta.fi/2018/12/jouluristikot-2018.html#english
A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.
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