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I am trying to design a user interface where the specific form that the user enters in InputFields are left unchanged. For example, if the user puts in a number in scientific notation, it would be really nice for that value in the field to stay the same, even though it is modified internally into a different form. None of the Hold-type functions seem to do what I want (and only Hold[Expression] seems to be an option in InputField anyway).

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Any ideas?

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    $\begingroup$ InputField[Dynamic[var], Boxes]? .. combined with Dynamic[ToExpression@x] to use the evaluated values. $\endgroup$ – kglr Jul 25 at 20:06
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InputField[Dynamic[var], Boxes]

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Column[{InputField[Dynamic[var], Boxes], 
  Dynamic[var], 
  Dynamic[RawBoxes @ var], 
  Dynamic[ToExpression @ var] }]

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