Britain and Ireland use the &quot;American&quot; way (presumably, it&#x27;s actually the British way).<p>Displaying English-formatted numbers is incorrect in the rest of Europe, and will confuse users. Programming languages handle this, but you still write pi = 3.14 in the code.<p>Note 123.456,78 is German, but Swiss is 123&#x27;456,78. I think.<p>(Displaying miles and yards, inches and &#x27;letter&#x27; sized paper is also incorrect, but it&#x27;s unfortunately not uncommon.)