OFFSET
1,1
COMMENTS
In the ISO paper size system, the height-to-width ratio of all pages is the square root of two, A002193.
LINKS
Wikipedia, Paper size
FORMULA
For An: Width*Height ~ 1 m^2/(2^n).
EXAMPLE
ISO A Formats.....Width (mm).....Height (mm)
-----------------------------------------------
A10.....................26................37
A9......................37................52
A8......................52................74
A7......................74...............105
A6.....................105...............148
A5.....................148...............210
A4.....................210...............297
A3.....................297...............420
A2.....................420...............594
A1.....................594...............841
A0.....................841..............1189
2A0...................1189..............1682
4A0...................1682..............2378
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
Philippe Deléham, Mar 22 2014
STATUS
approved