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Murray BrownFlag for United Kingdom of Great Britain and Northern Ireland

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Power BI DAX Two Equals signs

Hi. The following Power BI DAX statememt is a little confusing.

Why are there 2 equals signs


TOTAL SALES 2019 = var currentyear = SELECTEDVALUE('CALENDAR'[Year],year(today())) return CALCULATE([TOTAL SALES],'CALENDAR'[Year]=currentyear-2) 

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Cédric Tielemans
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