this is a type problem --> 0 <number> + "75.00" <string> = "075.00" <string>
calc(var.Result,0+1*roundval(view.fov,2)); // would work in js but not in xml code
calc(var.Result,0+number(roundval(view.fov,2))); // this works
but strange that roundval returns a string ! ... 
Hi,
it's correct/intended to work that way - roundval() returns a String.
Otherwise it wouldn't be possible to store the rounded value correctly.
Best regards,
Klaus
so I thought the calculations were creating really long numbers which would slow things down.
No, that doesn't matter at all.
Internally the computer works with the Numbers in floating-point format.
A long number is only the result from the conversion to a display-able text.
Maybe the rondval is even slower than just working with the decimals.
Yes, when using roundval during calculations it makes them slower. In this case the Number need to be converted to a string with given decimal-points and then for the next calculation again converted back to a Number.
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