# User Specific Data - Building a Custom Calculator **URL:** https://community.glideapps.com/t/user-specific-data-building-a-custom-calculator/36180 **Category:** Ask for Help **Created:** [December 21, 2021, 10:34am UTC](https://community.glideapps.com/t/user-specific-data-building-a-custom-calculator/36180 "2021-12-21T10:34:15Z") **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: [December 21, 2021, 11:18am UTC](https://community.glideapps.com/t/user-specific-data-building-a-custom-calculator/36180/2 "2021-12-21T11:18:46Z")
> [@Ashish\_Mathpal](#): > > I understand that I must upgrade from the free to the Pro plan in order to enable user-specific data. No, that’s not true. User Specific columns are available in any/all apps, regardless of plan. > [@Ashish\_Mathpal](#): > > Will the Pro plan limit the number of people who can use this calculator? No. For some inspiration, check the following post: > [@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/user-specific-data-building-a-custom-calculator/36180)._