Hi,

I'm writing and Xll Add-In for Excel.

I want to add a function that gives a result base on three parameters
- start time
- end time
- time interval

for start time and end time I project to use the same representation as
in excel.

But what for interval I don't know what to do.

For exemple :

How to specify :
at each 2hours 23 minutes
at each month
at each ....

Any idea are welcomed !

Nic


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