|e ^ (i * pi) + 1 = 0
There really are only three numbers of interest in computer programming, though: ZERO, ONE and N. If you need to support two of something, you really should refactor to support any arbitrary number instead.
Oh, and the 72 points per inch thing is an abomination spawned by Adobe, Inc. to simplify their PostScript programming language. The traditional value is 72.27 points per inch. It's kinda sad that the Google calculator prefers Adobe's version of the number, but at least it refers to them as "PostScript points".
[ e d @ h a l l e y . c c ]
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