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Top 10 emoji for use in mathematics

Maths loves symbols. Everyone loves emoji. It’s 2017 and time we brought the two together. To get you started, here are our top ten emoji for use in mathematics!

10.

📐

Don’t leave home without one: it’s the nifty 45° set square. What better reminder is there that
$$\sin\left(\frac{\pi}{4}\right) = \frac{\sqrt{2}}{2}, \qquad \cos\left(\frac{\pi}{4}\right) = \frac{\sqrt{2}}{2}, \qquad \tan\left(\frac{\pi}{4}\right) = 1$$ 📐

9.

🏹

Perfect for popping over a letter to make it a vector, it’s the bow and arrow:

a.b = ab cos arrow

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Top ten vote issue 05

What is the best geometry instrument?

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Top ten vote issue 04

What is the best part of a circle?

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