Question about Time differential in minutes

Post Author: Jeff Goddard
CA Forum: Formula
I am trying to figure out how to display the difference in minutes between two results- the earliest result of a specific day, and the latest result of a specific day.  For each separate day, I need to display this.  Any suggestions?  Thanks.

Post Author: Jeff Goddard
CA Forum: Formula
I have a list of testresults, each with a date and time associated with them.  there is a number of the taken each day.  example: Test Date 08-Nov-2007  13:50:5008-Nov-2007  15:57:1408-Nov-2007  22:12:4109-Nov-2007  07:33:0409-Nov-2007  21:22:17  This is an example of a column in the report which is the testresults.testdate field.  In this example I would need to display the time difference between the first result- (the earliest on Nov. 8, to the third result which would be the latest on Nov. 8).  Then the same thing for Nov.9(earliest, latest) and so on.  I'm guessing it has something to do with the minimum and maximum function, just not sure how to get it to reference the specific day.

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