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Doing maths with Text Input

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Posted on by LewisFoulger

133

Hi All,

I am doing maths with text input and am trying to find the volume of a Tube.

The formula for this is:

Pi R Cubed for the outer diameter

minus

Pi R Cubed for the inner diameter

multiplied by

Length

Above is my code, is there an easier way to do this in powerapps?

Or is my code just wrong?

Thanks

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timl 36,554 Super User 2025 Season 2 on at

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@LewisFoulger

That looks ok to me. I think you mean "Pi R Squared", but that's correctly reflected in your formula.

Some alternative functions you can consider here are:

Pi() - you can call this to avoid hard coding 3.142

Power - you can call this to square the radius, rather than multiplying it by itself

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TheRobRush 11,128 Moderator on at

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to demonstrate what @timl wa suggestign with pi & power here is a formula to calculate volume based on 3 text inputs

d1=Outer Diameter

d2=inner diamter

len=length

Pi()*Sum(Sum(Sum(Power(d1,2),-1*Power(d2,2))/4)*len)

checked outputs against Tube Volume Calculator and they match

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