Bankers however round to n-1. That way I presume they get to make
more
money!!
So if you try to round $100.105 to 2 decimal places you will get
$100.11
whereas any financial system will (probably) expect $100.10.
Yes and no. No: bankers round to the nearest even digit. Yes:
100.105 becomes 100.10. And 100.115 becomes 100.12.
And that is exactly what round-half-to-even does (like stated in my
first post in this thread ;) See
http://www.w3.org/TR/xpath-functions/#func-round-half-to-even, and
consider this quote:
"This function is typically used in financial applications where the
argument is of type xs:decimal. For arguments of type xs:float and
xs:double the results may be counterintuitive. For example, consider
round-half-to-even(xs:float(150.0150), 2)."
Cheers,
-- Abel
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