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Looks like a bug to me. 12.125 returns 12.12, but 12.1251 returns 12.13.
Both should return the same.
I guess this bug should be reported.
Meanwhile, you can make your own function that you can use. Here are two
different suggestions.

1: This one use the Calc built-in ROUND() cell function. Place it in ”My
macros & dialogs”. VBA compatibility mode is not needed.

Public Function faRound(x As Double, d As Integer)
Dim Calc
Calc=createUnoService("com.sun.star.sheet.FunctionAccess")
faRound=Calc.callFunction("ROUND", Array(x, d))
End Function

2: This one use the method we learned at school:
Public Function fRound(x As Double, d As Integer)
fRound=Int(10^d*x+.5)/10^d
End Function

Test:
Print afRound(12.125, 2)
Result: 12.13

Print fRound(12.125, 2)
Result: 12.13

Print fRound(12.125, 1)
Result: 12.1

… and so on.

Kind regards

Johnny Rosenberg

Den sön 5 juni 2022 kl 04:46 skrev Steve Edmonds <steve.edmonds@ptglobal.com
:

I have just put a basic macro together so it will calculate income tax
due from our local tax rates.
I needed to round the tax to the nearest cent so taking the easy route I
added Option VBASupport 1 to use the available VB round function.

I then noticed that the VB round function with say round(12.125,2)
rounds down to 12.12 and the LO inbuilt spread sheet function ROUND with
ROUND(12.125,2) rounds up to 12.13.

Is rounding in this situation arbitrary or is there some some convention
for consistency.

Steve


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