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Two auto-enter calc fields that feed eachother?

Question asked by StylisticGambit on Feb 12, 2014
Latest reply on Feb 12, 2014 by StylisticGambit

Title

Two auto-enter calc fields that feed eachother?

Post

     Imagine a table with two fields: Radius and Circumference.
      
     - Circumference is a Number which can be set via user input or by auto enter calc (replace existing value) by: 2 * Pi * Radius
     - Radius is a Number which can be set via user input or by auto enter calc (replace existing value) by: Circumference / ( 2 * Pi )
      
     I'm sure you can guess the difficulty: the user has either the Radius or Circumference, but not both.  On a layout, they should be able to enter either one, and the missing value should update.
      
     I've tried several different things, but can't get it to work.  Any tips?

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