Re: temperature standard - global config option?
Kurt Roeckx (Q@ping.be)
Thu, 21 Jun 2001 17:39:49 +0200
On Thu, Jun 21, 2001 at 12:18:12PM +0100, Jonathan Morton wrote:
> I've been taught by every Maths, Engineering and Physics
> teacher/lecturer I've encountered to write down significant figures
> consistent with the precision of the value. So blindly writing down
> a value of 59.42886726469 ±2°C is obviously ludicrous, even if that's
> what my calculator gives me. I should instead write 59 ±2°C, since
> that is the most precision I can possibly know it to. With some
> advanced measuring techniques it *may* be acceptable to write 59.43
> ±2°C *at most*, and then only if you really know why you need the
> extra information.
What they teached me in school is about the same. But the rule
for the precision was to use two signicifant(?) decimals. So
you end up with 59.4 ± 2.0 °C or something.
Also note that you have to round up the precision, so it couldn't
have been 2.01, but could have been 1.01 the way you wrote it.
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