4dcbfdca____Alan_Whitehouse_s_Ramblings__Description_Usage
[Component Item] Data Analysis Expressions Language (DAX) [Link] Link [Description/Usage] 
The language of writing SQL Server Analysis Services Vertipaq/Relational based queries. Used heavily with PowerPivot for Excel and PowerPivot for SharePoint.
The Microsoft Business Intelligence Stack Cheat Sheet « Alan Whitehouse's Ramblings
Description/Usage