# Mathematische Operation mit einer „Szene-Variablen“ durchführen

**URL:** <https://community.gladysassistant.com/t/faire-une-operation-mathematique-sur-une-variable-de-scene/7030>\
**Category:** Demandes livrées\
**Tags:** feature-core, scene, scene-action\
**Created:** [7. März 2022 um 20:44 UTC](https://community.gladysassistant.com/t/faire-une-operation-mathematique-sur-une-variable-de-scene/7030 "2022-03-07T20:44:49Z")\
**Posts on this page:** 1\
**Showing post:** 66

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**Author:** ![bertrandda](https://gladys-assistant-community.b-cdn.net/user_avatar/community.gladysassistant.com/bertrandda/32/5929_2.png) [@bertrandda](https://community.gladysassistant.com/u/bertrandda)\
**Post date:** [19. April 2023 um 20:17 UTC](https://community.gladysassistant.com/t/faire-une-operation-mathematique-sur-une-variable-de-scene/7030/66 "2023-04-19T20:17:37Z")

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Die PR ist da

> <https://github.com/GladysAssistant/Gladys/pull/1742>
>
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> \### Description of change
> 
> Please provide a description of the change here. It's always best with screenshots, so don't hesitate to add some!
> 
> I added calculation in scene conditions and control device box
> Use string evaluation allow also to use device value in calculation and control device
> 
> !\[image\](https://user-images.githubusercontent.com/18148265/232593703-1a4ee942-d495-42dd-8efa-33e873a7c374.png)

Der Code ermöglicht die Verwendung von Variablen und Berechnungen in Szenen auf Ebene der Blöcke „Nur fortsetzen, wenn“ und „Gerät steuern“ (siehe Screenshots etwas weiter oben)

Wenn ihr testen wollt, ist ein Image hier verfügbar `bertrandda/gladys:scene-var-eval`

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