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The calculated field allowes allows the user to show a score that is calculated using values set in other fields.

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The following types of fields can be used in the calculation:

  • Number Fields

  • Read-only Number Fields (since Version 2.12.0)

  • Select Single Fields (with number value)

  • Rating Fields (since Version 2.9.2)

How to set the expression for the calculation

In the admin panel

you can configure the expression for your Calculated Fields.

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The Calculated Field takes a string as the expression. The expression must be written in postfix notation (reverse polish notation).

Here you can find a list with all operators you can use in your calculation.
For more information on the postfix notation check out this link:
https://www.cs.man.ac.uk/~pjj/cs212/fix.html

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You can copy and paste the ids from that list into your expression.

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How to set background colors for different scores (since Version 2.9.2)
(Font colors

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since Version 2.10.0)

When configuring a Calculated Field you can set formatting rules to highlight certain ranges of scores with a background-color.

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Now you can set a number as start for this rule, another number as end and colors for the background and the font of the score via the colorpickers. (Font color picker coming soon.)

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You can add as many formatting rules as you like.

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