Ah, yes, yes, sending #asScaledDecimal to a Float is too late, the precision is 
already lost. It makes total sense now.

Thank you, Werner, for the explanation.

> On 13 Jan 2020, at 16:13, werner kassens <wkass...@libello.com> wrote:
> 
> Hi Sven,
> 
> if you dont transform floats, that are not always exactly what they seem
> to be, you get what you would expect:
> 0.09560268s8 - 0.005s8 = 0.09060268s8. "true"
> "of course"
> a:=0.09560268 asScaledDecimal.
> 0.09560268s8=a . "false"
> "you could eg do this:"
> b:=a roundTo: 0.00000001s8.
> "then"
> 0.09560268s8=b . "true"
> 
> but if you do something like this generally in Float>>asScaledDecimal
> you could loose some precision that could be unwanted in some other
> circumstances (or perhaps not).
> 
> werner
> 
> On 1/13/20 2:13 PM, Sven Van Caekenberghe wrote:
>> 0.09560268 asScaledDecimal - 0.005 asScaledDecimal = 0.09060268s8. "false"
> 


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