I have a very easy question.
I have three time fields indicating how long an exam in three parts last:
Exam 01 (for instance it lasts 30 minutes: 00:30:00)
Exam 02 (for instance it lasts 15 minutes: 00:15:00)
Exam 03 (for instance it lasts 20 minutes: 00:20:00)
i want to have another time field that calculates these three time fields. How do I get the result (65 minutes or 01:05:00)?