# How can I perform a calculation with data from another sheet
**URL:** https://community.glideapps.com/t/how-can-i-perform-a-calculation-with-data-from-another-sheet/36294
**Category:** Ask for Help
**Created:** [December 23, 2021, 6:09pm UTC](https://community.glideapps.com/t/how-can-i-perform-a-calculation-with-data-from-another-sheet/36294 "2021-12-23T18:09:13Z")
**Posts on this page:** 4
**Page:** 2
### Author:  [@Hans\_Op\_het\_Roodt](https://community.glideapps.com/u/Hans_Op_het_Roodt)
#### Post date: [December 23, 2021, 10:22pm UTC](https://community.glideapps.com/t/how-can-i-perform-a-calculation-with-data-from-another-sheet/36294/22 "2021-12-23T22:22:42Z")
i will do
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### Author:  [@Uzo](https://community.glideapps.com/u/Uzo)
#### Post date: [December 23, 2021, 10:29pm UTC](https://community.glideapps.com/t/how-can-i-perform-a-calculation-with-data-from-another-sheet/36294/23 "2021-12-23T22:29:44Z")
it looks like you don’t have a Row ID column in tabel sheet… which might be a reason for relation not working properly
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### Author:  [@Hans\_Op\_het\_Roodt](https://community.glideapps.com/u/Hans_Op_het_Roodt)
#### Post date: [December 23, 2021, 10:54pm UTC](https://community.glideapps.com/t/how-can-i-perform-a-calculation-with-data-from-another-sheet/36294/24 "2021-12-23T22:54:48Z")
Success. I cleared all the relations and lookup columns and started over. Have studied and followed the sample app. Thanks again for all the work you’ve done here tonight.
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### Author:  [@system](https://community.glideapps.com/u/system)
#### Post date: [December 24, 2021, 10:55pm UTC](https://community.glideapps.com/t/how-can-i-perform-a-calculation-with-data-from-another-sheet/36294/25 "2021-12-24T22:55:37Z")
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