SI unit prefixes

["Lamothe, Emelie" <lamothee@AECL.CA>]

The SI unit prefixes are as follows:

> E exa     1E+18
> P peta    1E+15
> T tera     1E+12
	G giga    1E+09
	M mega  1E+06
	k kilo      1E+03
	h hecto   1E+02
	deca       1E+01 (no symbol or abbreviation)
	d deci      1E-01
	c  centi    1E-02
	m milli      1E-03
	m  micro    1E-06
	n  nano     1E-09
	p  pico      1E-12

	As mention, deca is not abbreviated.  Hecto and deca are seldomly
used (read extremely rarely).

	Emelie Lamothe
	lamothee@aecl.ca