(j3.2006) Retro cool to go with your Fortran compiler

Van Snyder Van.Snyder
Wed Dec 15 14:09:06 EST 2010

On Wed, 2010-12-15 at 04:58 -0800, Jerry Wagener wrote:
> alas, one can compute with it to only about two significant figures
> (in some cases you can interpolate close to three significant figures)
> - guess that was good enough for much early engineering work. 

There was an observatory in Germany that had a 20-meter slide rule with
a magnifying cursor.  It was reputedly good for six digits.

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