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Pushing the Post Button

A Display of Precision
What
we show vs. what we store
Available field precision vs. display area 

Tip #: 3.3.63
Ver(s): PTWin32, V2, V1

There are number circumstances in PTWin32 where the space for a field on the screen is not large enough to show the entire potential space provided by the field. A good example would be a Memo field that can contain an unlimited amount of text. In this instance there would be no way for us to make the field big enough on the screen to display its potential contents.

When we design PTWin32 products we must reach a balance between function and usability.  Just because we can store a number with 15 digits to the right of the decimal point doesn’t mean it’s reasonable to display that many numbers in PTWin32. Especially when most users don’t use more than 4 digits. But that doesn’t mean you can’t use those 15 digits if you need them.

Take Calculated Fees for example. You can add the number .0123456789 to the Equation Constant and PTWin32 will only display .0123. But the full number is stored and used for calculating the fee. You can see the number as it is stored by loading the Calcfees form in Paradox Runtime and double clicking on the number.

 

 

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