# Handling concurrent users for calculator apps **URL:** https://community.glideapps.com/t/handling-concurrent-users-for-calculator-apps/40237 **Category:** Ask for Help **Created:** [March 30, 2022, 4:22am UTC](https://community.glideapps.com/t/handling-concurrent-users-for-calculator-apps/40237 "2022-03-30T04:22:55Z") **Posts on this page:** 1 **Showing post:** 2
### Author: ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy) #### Post date: [March 30, 2022, 4:27am UTC](https://community.glideapps.com/t/handling-concurrent-users-for-calculator-apps/40237/2 "2022-03-30T04:27:43Z")
> [@shoumikgoswami](#): > > I realized that since the backend data is simply 1 row, is it right to assume that these apps cannot handle concurrent users? Yes, that assumption is correct. To properly handle concurrent users you should be collecting your input in User Specific Columns, and performing all calculations in Glide. See below for some inspiration: > [@March Challenge - Calculator](https://community.glideapps.com/t/march-challenge-calculator/24091): > > I had an idea a while ago to see if I could build a reasonably functional calculator in Glide. I decided to give it a shot and came up with one that actually works pretty well. It’s nothing fancy like a scientific calculator, but it handles the basics (addition, subtraction, multiplication, division). OK, it turned out to have a lot more functionality than originally planned. It took a lot of trial and error to work out most of the bugs and have it work how I would expect a basic calculator t… --- _[View the full topic](https://community.glideapps.com/t/handling-concurrent-users-for-calculator-apps/40237)._