# SAP WEBI 4.0: Calculation between two measures only when at least one has values

Hey all!

I would like to ask for help dear Gurus!

Our problem is the following:

- We are using SAP BPC
*Account*dimension which provides us with the P&L accounts. - Then, we calculated two measures: [Year 2013] and [Year 2014] that give us the values for each P&L accounts for 2013 and 2014, respectively.
- We want to calculate the growth rate for each P&L account from 2013 to 2014. For this purpose, we are now using the following formula: =([Year 2014]/[Year 2013])-1
- This formula is OK, but when both measures are zero (i.e. when a certain account has no values for both 2013 and 2014), it still calculates being the result -100%...and this is wrong.
- We would like to create a rule in the formula that gives a zero or blank value everytime when both measures are zero, or everytime when [Year 2013] is zero.

Is this possible?

Thank you very much for your attention.

Best regards,

Francisco

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##### Former Member replied

Hello Francisco,

Try the below formula :-

**If ((isnull([Year 2013])) OrĀ ([Year 2013]=0);0;(([Year 2014]/[Year 2013])-1))**

Hope it helps !

Regards,

Tanb Gupta