https://issues.dlang.org/show_bug.cgi?id=12557
--- Comment #1 from Bert van Leeuwen <b...@e.co.za> --- Of purely academical interest: Euler's formula is "somewhat" more complicated than Euclid's: http://en.wikipedia.org/wiki/Euler's_formula (and has a completely different goal). Also, Euler trod this earth about 2000 years after Euclid. --