[time-nuts] 15 ns vs. 15 nS

Poul-Henning Kamp phk at phk.freebsd.dk
Tue May 22 12:00:43 EDT 2007


In message <20070522.094841.71148305.imp at bsdimp.com>, Warner Losh writes:
>> As Seconds are a fundamental unit of the SI system, shouldn't the "S" be
>> upper case?
>
>SI units named after famous dead guys are capitalized (cf Farad (F),
>Hertz (Hz), etc).  SI units that are something else aren't (cf meter
>(m), liter (l) and gram (g)).

The rule is actually a little bit more fundamental: Units retain their
capitalization when abbreviated.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
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