# If user deletes 1st row, he loses array formula **URL:** \ **Category:** Ask for Help\ **Created:** [September 14, 2019, 10:30am UTC](https://community.glideapps.com/t/if-user-deletes-1st-row-he-loses-array-formula/246 "2019-09-14T10:30:47Z")\ **Posts on this page:** 1\ **Showing post:** 10
**Author:** ![ThinhDinh](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/thinhdinh/32/49_2.png) [@ThinhDinh](https://community.glideapps.com/u/ThinhDinh)\ **Post date:** [December 8, 2020, 11:51pm UTC](https://community.glideapps.com/t/if-user-deletes-1st-row-he-loses-array-formula/246/10 "2020-12-08T23:51:41Z")
Eric has nailed the point about having the formula in the header so it won’t interfere with your second row. If you want to read more about arrayformula then I had a post here. > [@Tutorial: Arrayformula in Google Sheets, good practices & how to overcome Arrayformula restrictions with scripts](https://community.glideapps.com/t/tutorial-arrayformula-in-google-sheets-good-practices-how-to-overcome-arrayformula-restrictions-with-scripts/9727): > > Hi, Today I will show you the script that can make copying formulas down work, when it does not work with arrayformula. But first, let’s have some introductions about arrayformula, for those who has not used this before in Google Sheets, some equivalents in Glide and some good practices while using it. I hope it can help you in building your Glide apps as well as applying it in your normal day job. > > > **1/ Definition** > > > > Arrayformula is defined as “a range, mathematical expression using one cell range … --- _[View the full topic](https://community.glideapps.com/t/if-user-deletes-1st-row-he-loses-array-formula/246)._