# dateArithmetic({Root Container.DatePicker.date} and PopupCalendar

**URL:** <https://forum.inductiveautomation.com/t/datearithmetic-root-container-datepicker-date-and-popupcalendar/47487>\
**Category:** Ignition\
**Created:** [June 5, 2021, 8:41am UTC](https://forum.inductiveautomation.com/t/datearithmetic-root-container-datepicker-date-and-popupcalendar/47487 "2021-06-05T08:41:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![tohhy-pm17](https://avatars.discourse-cdn.com/v4/letter/t/e19adc/32.png) [@tohhy-pm17](https://forum.inductiveautomation.com/u/tohhy-pm17)\
**Post date:** [June 5, 2021, 8:41am UTC](https://forum.inductiveautomation.com/t/datearithmetic-root-container-datepicker-date-and-popupcalendar/47487/1 "2021-06-05T08:41:41Z")

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Hi guys, have a good days.

First of all, may I know that what is the actual function of dateArithmetic Root Container and PopupCalendar ?  
My project is a Perspective Project.  
 ![1](https://us1.discourse-cdn.com/inductiveautomation/original/3X/c/6/c6bb04892cd0c923759758f4974bd858820937c0.png)  
It is possible to use the coding above to pass the start date and end date parameters to reporting module which I would like to generate a configurable report by using the start date and end date that the users insert.

![2](https://us1.discourse-cdn.com/inductiveautomation/original/3X/3/5/35e0fbeb40e98c9b39203bb996be2adbcf9b0172.png)