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Asked: 2026-05-15T12:48:40+00:00

In my application a calculation is performed which display the text to the GUI.

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In my application a calculation is performed which display the text to the GUI.
The application multiplies a user given amount by a defined number (Say 0.85) to create a total (User types in 2, application works out 2 x 0.85).

As the number that is displayed is that of a currency I am trying to correctly format the text to make it readable and correct.

So far I have tried 

.ToString("N2");

This has just resulted in two additional zero’s being appended to the end of the figure.

The problem can be seen here:

Error!

As you can see the correct value is .68 (Or £0.68) and my text is showing £68.00
Taking the “N2” out of the ToString does help but I’m still left with £68.

I know this is not as trivial as it sounds but it’s something I’ve never needed to think about before and it’s got me thinking about it for a long while.

Thanks!

Note: The data is stored as a double and was previously a float, the application is flexible to change. The currency icon is also not needed as I am providing that manually, only the formatting is necessary.

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1 Answer

  1. Editorial Team

    At first glance it looks like you’ve multiplied your value (0.68) by 100 to get 68.00 which would be correct. However, your quantity appears to be 80 which should give you a value of 54.40.

    If you are multiplying by 2 then you should get 1.70.

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