# What triggers an unsaved calculation field to revaluate

**URL:** <https://the.fmsoup.org/t/what-triggers-an-unsaved-calculation-field-to-revaluate/3388>\
**Category:** Questions\
**Tags:** calculations\
**Created:** [February 17, 2023, 2:52pm UTC](https://the.fmsoup.org/t/what-triggers-an-unsaved-calculation-field-to-revaluate/3388 "2023-02-17T14:52:19Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![planteg](https://yyz2.discourse-cdn.com/flex030/user_avatar/the.fmsoup.org/planteg/32/627_2.png) [@planteg](https://the.fmsoup.org/u/planteg)\
**Post date:** [February 24, 2023, 5:09pm UTC](https://the.fmsoup.org/t/what-triggers-an-unsaved-calculation-field-to-revaluate/3388/9 "2023-02-24T17:09:58Z")

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> [@harvest](#):
>
> How did you come to this solution in the first place? Calculations on every layout might be challenging?!

This solution works on a single layout. There are many subjects though. With 2 button bars I select a Topic and a Subject, that results in a text to be displayed. This text as well as the buttons on the Subjects button bar ahev to be displayed in two languages, either English or French.

For more details, see [Button bar active segment by calculation - Questions - the.fmsoup.org - Independent FileMaker Forum. Help, Discussions & Answers for Developers and Users](https://the.fmsoup.org/t/button-bar-active-segment-by-calculation/3367/15)

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