Based on text by Markus Kuhn <http://www.cl.cam.ac.uk/~mgk25/>
Updated by Mischa Poslawsky <http://shiar.nl/> 2015-08-19
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Mathematics and sciences:
∮ E⋅da = Q, n → ∞, ∑ f(i) = ∏ g(i), ⎧⎡⎛┌─────┐⎞⎤⎫