It was my thought that at least in the US anyway, when you got to 1,000,000, that meant 1 million( or one thousand thousand). When you have one thousand thousand thousand, that is one billion. Now, note that the root prefix of Million (Mono), means one or the first order of thousand above thousand, and that the root prefix of Billion (Bi), means two, or the second order of thousand above a thousand. Thereafter, it follows that the third order of a thousand beyond a thousand would be a trillion, or (Tri) etc., etc., etc. Was anyone else taught this in grade school? Regards, Jim -----Original Message----- From: Stuart Meier To: PICLIST@MITVMA.MIT.EDU Date: Sunday, March 14, 1999 2:02 PM Subject: Was: Beginners Problem ?? now Units >>One billion is a thousand million in the US and a million million in the >>UK. > >Unfortunately, there is now no consistent 'oral protocol' for billion in the >UK. Historically, a UK billion was a million million, but the US usage is >now quite common, but not exclusive. So you have to know the >context/background of the author. > >Stuart Meier >Wyndham Associates >UK > >--