# How to auto-calculate one of the 2 fields - amount and balance - to update based on the value in another

**URL:** <https://community.glideapps.com/t/how-to-auto-calculate-one-of-the-2-fields-amount-and-balance-to-update-based-on-the-value-in-another/59365>\
**Category:** Ask for Help\
**Created:** [March 19, 2023, 2:24pm UTC](https://community.glideapps.com/t/how-to-auto-calculate-one-of-the-2-fields-amount-and-balance-to-update-based-on-the-value-in-another/59365 "2023-03-19T14:24:42Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![Eric\_Penn](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/eric_penn/32/73888_2.png) [@Eric\_Penn](https://community.glideapps.com/u/Eric_Penn)\
**Post date:** [March 30, 2023, 8:03pm UTC](https://community.glideapps.com/t/how-to-auto-calculate-one-of-the-2-fields-amount-and-balance-to-update-based-on-the-value-in-another/59365/8 "2023-03-30T20:03:40Z")

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Some ideas discussed here.

> [@How to create a cumulative sum of rows in a columns](https://community.glideapps.com/t/how-to-create-a-cumulative-sum-of-rows-in-a-columns/46181):
>
> Hi, Is there a way in Glide to create a cumulative sum of the rows in a column, like adding up monthly sales ? Jan Jan+Feb Jan+Feb+Mars Jan+Feb+Mars+Apr etc… Thanks!

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