The Measures setup page lets you add or remove measures to a cube. Measures are normally numeric columns.
Name - Name of the Measure
Functions - Aggregate function applied to a numeric value (e.g. Sum, Avg, Count) The list of date functions is stored in CubeFunction and CubeFunctionDb tables and can be updated.
Format - Format function (e.g. Currency, Percent) The list of format functions is stored in CubeMeasureFormatand table, which can be updated. Please use this reference document to create the format formula.