About countdays
The app for counting the number of days.
A - Output counted days in both forward and reverse time.
B C D E - Buttons number of days default values (can be changed in settings).
Possible to change the start date (The current date).
It can be used as Aircraft Maintenance Engineering Tool for calculating the expiry date of a deferred defect dispatched in accordance with the minimum equipment list (MEL)
by J####:
Grate work. really helpful