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Multiply and Divide Operators Not Working On Mobile

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Posted on by MikeHoy

Hi all. I have a very strange problem and hope I can get some ideas here!

I have a very basic calculator app. It works fine for all users on PC. On mobile it works fine for me the creator, but for all other mobile users labels with multiplication or division operators do not work, when add and subtract does work.

Does anyone have any idea why this might be happening and what I could do differently? Is there a way to debug so I can see what is happening in the broken labels live? Any idea why it would work correctly on the creator's phone but not my colleagues' phones?

I have tried removing the Round() function, this does not help. I have confirmed they are using the current version by changing the appearance for each version.

Multiplication formula result should show in this label, referencing three inputs (2 text inputs above, one other label)

multi formula.png

Addition formula in this label, with three inputs

add formula.png

How it looks for a mobile user. The multiplication result returns 0. labels at the bottom are there, just very pale grey text.

mobile user.png

Thanks for your help

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Building Power Apps

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timl 37,287 Super User 2026 Season 2 on at

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@MikeHoy

The best way to do this is to explicitly specify the text properties of the controls, rather than reference the control names. The syntax would look like this.

Round( Value(ManedesLonnInput.Text)/Value(WorkDaysInMonth.Text) * Value(AnnualHoliday.Text), 0 )
iAm_ManCat 18,256 Most Valuable Professional on at

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Totally agree with Tim, never reference the controls directly in your formula, always the property of the control you are looking for!
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MikeHoy 13 on at

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Thanks for the tip re referencing the property, though that did not help in this case. The solution was in the decimal separator! The reason that the app works for me is that I work in English and my colleagues work in Norwegian, where ',' is the usual separator. Their phones/browsers failed to interpret "21.667". Solution: store this value as 21667/1000.