# Calculate in Flow cards

**URL:** <https://community.homey.app/t/calculate-in-flow-cards/55999>\
**Category:** Flows\
**Created:** [December 4, 2021, 4:08pm UTC](https://community.homey.app/t/calculate-in-flow-cards/55999 "2021-12-04T16:08:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![thobu](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/thobu/32/18357_2.png) [@thobu](https://community.homey.app/u/thobu)\
**Post date:** [December 4, 2021, 4:08pm UTC](https://community.homey.app/t/calculate-in-flow-cards/55999/1 "2021-12-04T16:08:00Z")

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Use case: I want a Sonos card to say the median value of two temperature sensor readings. Checking Logic doesn’t provide anything here or it’s much more complex than I’d hope.

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**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\
**Post date:** [December 4, 2021, 5:14pm UTC](https://community.homey.app/t/calculate-in-flow-cards/55999/2 "2021-12-04T17:14:36Z")

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> [@Energy label](https://community.homey.app/t/energy-label/55955/6):
>
> With a [\< group \> app](https://homey.app/en-us/app/com.swttt.devicegroups/%3C-group-%3E/) device, you can group the sensors, it does the math by itself (without flows)

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**Author:** ![thobu](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/thobu/32/18357_2.png) [@thobu](https://community.homey.app/u/thobu)\
**Post date:** [December 4, 2021, 7:46pm UTC](https://community.homey.app/t/calculate-in-flow-cards/55999/3 "2021-12-04T19:46:30Z")

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Brilliant. Thanks!