On 06/16/2012 03:21 PM, andy pugh wrote: > On 16 June 2012 21:25, Peter Blodow<p.blo...@dreki.de> wrote: > >>> Except that hecto and centi are _not_ prefixes in the SI system. >> Yes they are. Hekto-, deka-, deci- and centi- (100, 10, 1/10, 1/100 >> rsp.) are the only ones with the decimal exponents not being multiples >> of three, > Wikipedia seems to agree. I was certainly taught that it was improper > to use those prefixes though. > Usage really depends on the field. I routinely used Kg, g., mg, ug. for weight and L, mL, uL for volumes. However, take a look at your latest blood chemistry. Units like mg/dL, U/L (units/liter), mmol/L., are routinely used: and then it gets worse K/uL (white blood cells), M/uL (red blood cells), fL (mean cell volume), pg ( no volume given), % (hematocrit), Change those units and you will confuse every medical doctor out there...not something you want to do.
Dave ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users