A0, A1, A2, A3, A4, A5, A6, A7, A8, A9 > 자유게시판

The received defines the "A", "B" and "C" serial publication of wallpaper sizes, which includes the A4, the near normally usable newspaper size cosmopolitan. Deuce auxiliary standards, ISO 217 and ISO 269, delineate kindred newspaper sizes; the ISO 269 "C" serial is unremarkably enrolled alongside the A and B sizes. The corpus countries not by and large using the ISO newspaper sizes are the Joined States and Canada, which habit North American report sizes. Although many Latin Earth countries give as well formally adopted the ISO 216 report format, Mexico, Panama, Peru, Colombia, the Philippines, and Chile too employment largely U.S. paper sizes. Due to Saame breadth to altitude ratio, if an A4 varlet is folded in one-half so that it is A5 in size, it volition set into a C5 gasbag (which leave be the Lapp size as a C4 gasbag folded in half). By comparison, the lengths of ISO B serial publication newspaper are 4√2 ≈ 1.19 times those of A-series paper (and √2 ≈ 1.41 times the area).
Sequential newspaper publisher sizes in the series (A1, A2, A3, etc.) are formed by halving the area of the retiring composition size and rounding down, so that the recollective face of A(n + 1) is the Saami length as the myopic incline of An. Hence, apiece side by side sizing is nigh on the dot half the domain of the prior size. So, an A1 Page send away convulsion two A2 pages inwardly the Saame area. ISO 216 is an international measure for composition sizes, exploited around the domain leave off in In the north U.S.A. and parts of Latin USA.
The just about ofttimes ill-used paper size is A4 measure 210 by 297 millimetres (8.27 in × 11.7 in). The standard dimensions are fat to the closest millimeter. Newspaper in the A serial initialise has an facet ratio of √2 (≈ 1.414, when rounded). A0 is defined so that it has an arena of 1 m2 (11 sq ft) ahead rounding error to the nearest 1 millimetre (0.039 in).
A serial report sizes and dimensions are outlined by the ISO 216 outside newspaper sizing stock. The understructure A0 sizing of newspaper publisher is outlined as having an field of 1 m2 and a attribute ratio of 1 to √2. Sequent newspaper publisher sizes in the serial A1, A2, A3, and so forth, are settled by halving the past paper size of it crosswise the bigger proportion.
In scaled photocopying, for example, deuce A4 sheets decreased to A5 size of it healthy precisely onto unity A4 sheet, and an A4 sheet of paper in exaggerated sizing onto an A3 sheet; in each case, thither is neither devastate nor lack. These are related to to equivalence 'tween serial A, lesbian porn sex videos B and C. It in conclusion became both an external touchstone (ISO 216) as wellspring as the prescribed Concerted Nations papers data formatting in 1975, and it is nowadays exploited in all but entirely countries in the world, with the exception of several countries in the Americas.