Looking at the source, it appears that support for that is spotty  on
Android, it is hardcoded to '0'.
On iOS, it corresponds to the 'roundingIncrement' returned from
CFNumberFormatterGetDecimalInfoForCurrencyCode. In Ubuntu, I *think* it
corresponds to the same value.
That value should be the smallest unit of a currency  the number that all
amounts are rounded to. For USD, it would be "0.01"; for JPY, it would be
1.00.
It doesn't necessarily correspond to the number of decimal places; a
country which used dollars and cents but rounded all prices to the nearest
nickel would have 2 decimal places, but rounding would be 0.05.
On Thu, Jan 16, 2014 at 9:54 PM, John Wargo <john@johnwargo.com> wrote:
> In the docs it says that the result value for Rounding is:
>
> *
>
> *rounding*: The rounding increment to use when parsing and
> formatting./(Number)/
>
> Can someone tell me what that means? I googled around and couldn't find
> anything conclusive.
>
>
