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Calculate with dates

Question asked by Gheysen&Verpoort on Nov 16, 2011
Latest reply on Nov 16, 2011 by philmodjunk


Calculate with dates


 I want to track the maintenance of our equipment in FileMaker Pro. Some needs maintenance each year, others each 40 days, others...

So, I created three fields: 'Date of maintenance', 'Date of next maintenance', 'Maintenance interval'. Now, I want only to fill in the date of the current maintenance and FileMaker calculates the date of the next maintenance:

'Date of next maintenance' = 'Date of maintenance' + 'Maintenance interval'

I don't get there. How can I achieve this?