the idea is to get the day a user registered for some services, and to get the day the user canceled services in order to find out how many days a user was registered using the services. A colleague told me that maybe with calculated metrics this could be possible. At the moment i am not sure how to...

Hello there,I would like to know if it is possible within the calculated metrics to find out for example how many days a user was registered. which is the best way to find out this?Thanks a lot in advance! J1