> I can't believe it's as simple as writing Date + 14
It's almost that simple...
If your second field is intended to show date and time, then set it up as a calculation field with this calculation...
Your_first_timestamp_field + 1209600
...and set the calculation result to "Timestamp"
(The number 1209600 is the number of seconds in a fortnight.)
If, however, the second field is intended to show the date only, then set it up as a calculation field with this calculation...
GetAsDate ( Your_first_timestamp_field ) + 14
...and set the calculation result to "Date"
That's brilliant! Thanks a lot. My idea is to have a default deadline period of two weeks for any job to be done, but for this deadline date to be user changeable in case something urgent came up etc. Can I overwrite the results of calculations in this way?
Try using an auto-entered calculation. With the right options, you can probably get this to work for you.