On Mon, 13 Feb 2017 01:52:52 -0800, RobertL wrote:

On Sunday, February 12, 2017 at 10:36:43 PM UTC, Clive Arthur wrote:

A0 is one square metre.

How interesting, I didn't know that. 841mm x 1189 mm = 1 square metre
:-)

Also of course 1189/841 = 1.414 = sqrt(2)

This is quite interesting; I found it a while ago.

http://www.cl.cam.ac.uk/~mgk25/iso-paper.html

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