units_ops1 http://www.openmath.org/cd/units_ops1.ocd 2004-04-01 experimental 2003-08-21 1 0 arith1 relations1 units_siprefix1 This CD defines various symbols for use in the manipulation of units. prefix This symbol represents the fact that the subsequent unit has been effectively multiplied by 1,000 ($10^{3}$) This is unit multiplication by 1,000 1 10 3