I am ashamed that I wrote in USMA 9579 >John wrote an excellent posting about ISO paper sizes. However he made one >slight error. > >>if you did need to know, you can easily >>calculate any of the sizes from the simple area formula: A=LxW. If A is 1 >>(for 1 m") and L=sqrt(2)*W, then 1=sqrt(2)*W" or W=841 mm and L=1189 mm. >>Dividing each of these dimensions by the A number gives the length and width >>of that A size. > >He should have written "Dividing each of these dimensions by 2**A-numkber >gives the length and width of that A-size". I should have written "Dividing each of these dimensions by 2**A-number/2 gives the length and width of that A-size".
