Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!yale!mintaka!mit-eddie!uw-beaver!zephyr.ens.tek.com!tektronix!reed!barry
From: barry@reed.UUCP (Barry Smith)
Newsgroups: comp.lang.postscript
Subject: Re: ruler.ps - an inch/point ruler of your very own
Summary: not 72 points to the inch
Keywords: points standards
Message-ID: <13876@reed.UUCP>
Date: 15 Jan 90 20:17:43 GMT
References: <21772@uflorida.cis.ufl.EDU>
Reply-To: barry@reed.UUCP (Barry Smith)
Organization: Blue Sky Research, Portland OR
Lines: 13

While improving the signal/noise ratio, you might correct a common
error: there are slightly more than 72 points to the inch. (72.27 is also
easy to remember.)

Of course the arithmetic would be easier if pi WAS three...

References:
  any real type ruler
  The TeXbook, D.E.Knuth, p. 57
  an NBS standard, don't have it handy...

----
Barry Smith, Blue Sky Research