Flutter app

A person enters measurements and then it needs to output another output.
**App needs to work without internet
**When user gets internet it will sync data with database

General requirements
-Log/ Audittrail (start app, chosen valve, selected parameters, resulted valve)
-Log ip address and OS phone

Technical requirements
-MS SQL database already available
-optional to convert db to Firebase/ Cloud FIrestore
-working portrait and landscape
-if user re-opens the app within x min, show previous data, if >x min reset data
-code needs to be documented

Functional requirements
-Disclaimer text needs to be editable in db table
-Info page txt same in db table
-round up to 1 decimal
-show landingpage x msec in db table

Formulas of calculations are available
Webapp available