# Calcul dans une variable

**URL:** <https://community.homey.app/t/calcul-dans-une-variable/136324>\
**Category:** 🇫🇷 Français (French)\
**Created:** [May 11, 2025, 5:37am UTC](https://community.homey.app/t/calcul-dans-une-variable/136324 "2025-05-11T05:37:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Julien\_31](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/julien_31/32/79652_2.png) [@Julien\_31](https://community.homey.app/u/Julien_31)\
**Post date:** [May 11, 2025, 5:37am UTC](https://community.homey.app/t/calcul-dans-une-variable/136324/1 "2025-05-11T05:37:40Z")

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Bonjour,

Dsl j’ai oublié comment on fait pour faire un calcul dans homey, quelqu’un pourrait il me redonner l’astuce ?

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/e/4/e406b43735b30b92b58ba0afc80d7c2c4ba0c3d1.png)

merci

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**Author:** ![FKey](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/fkey/32/14793_2.png) [@FKey](https://community.homey.app/u/FKey)\
**Post date:** [May 11, 2025, 5:47am UTC](https://community.homey.app/t/calcul-dans-une-variable/136324/2 "2025-05-11T05:47:04Z")

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![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/8/c/8c742096ef7590715efcd8dc99a4349667d95d4e.png)

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**Author:** ![Julien\_31](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/julien_31/32/79652_2.png) [@Julien\_31](https://community.homey.app/u/Julien_31)\
**Post date:** [May 11, 2025, 7:03am UTC](https://community.homey.app/t/calcul-dans-une-variable/136324/3 "2025-05-11T07:03:13Z")

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Thx i forgot the double {{ and }}