Could you please share a bit more about your scenario?
Could you please share a screenshot about your Timesheet app? Is it a PowerApps app?
Do you want to display the Calculated field values of your Case List within the Timesheet app?
If the Timesheet app is a PowerApps app, and you want to display the Calculated field values of your Case List within the Timesheet app, you could consider take a try to add the Case List as a data source within your Timesheet app, and then you could retrieve the Calculated field values using the following formula within a Drop down box (Set Items property of the Dropdown control to following):
Note: The 'Case List' represents the Case List.
Community Support Team _ Kris Dai If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.