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Calculating difference between previous and current readings

Question asked by RussellHolland on May 1, 2014
Latest reply on May 2, 2014 by philmodjunk

Title

Calculating difference between previous and current readings

Post

     I need to calculate the difference between the current and previous readings for a tenant's utility use at their site. I am new to FM Pro and have no idea how to go about doing this.  I have attached a copy of my relationships graph to assist.  I need to display the result on my tenants layout.  I already have a portal on the tenants layout which shows the readings by date order, filtered for that tenant.

     Any assistance would be greatly appreciated.

Upload1.jpg

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