FullCircle
Posts: 5713
Joined: 11/24/2005 Status: offline
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quote:
ORIGINAL: JustDarkness m and M (or for example better bit or Byte) differences are only in the computer world cause for confusion. Can't think any thing like this in weight. Mega (x10^6) milli (x10^-3) as in MPa, KPa, mPa These prefixes can be applied to anything, you have to be careful the principle is clearly set out and Mg is very different from mg, although not commonly used. You've never come across a Megagram because you don't work in an industrial setting. Most people use the term metric tonnes i.e. 1000 kg or 1 Mg. The principle is still important though you can’t use M to represent milli just as you can’t use K to represent kilo when that should be lowercase. For SI units these prefixes should be used, don’t allow lazy interpretation, it’s not right and will lead to confusion of people that expect you to get it right: a atto 10^-18 f femto 10^-15 p pico 10^-12 n nano 10^-9 µ micro 10^-6 m milli 10^-3 k kilo 10^3 M Mega 10^6 G Giga 10^9 T Tera 10^12
< Message edited by FullCircle -- 2/7/2009 2:46:12 PM >
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