1/2 808414 221852842 2008-06-26T11:24:26Z PV=nRT 7205825 '''1/2''' may refer to: *the [[Fraction (mathematics)|Fraction]] [[one half]] or 0.5 in [[decimal]] *the [[calendar date]] [[January 2]] (USA) *the calendar date [[1 February]] (UK) *[[odds]] of "two to 1 on", i.e. 2 mathematically, but also written as 1.50 or -200 by some bookmakers *pre-decimal sterling money, 1 [[shilling]] and 2 pence (tuppence) *[[1st Battalion 2nd Marines]] {{numberdis}} [[zh:1/2]]