In Dax Guide

Summary

The IN operator returns TRUE if a row of values exists or contained in a table, otherwise returns FALSE. ALL: Returns all the rows in a table, or all the values in a column, ignoring any filters that might have been applied. ROLLUPISSUBTOTAL: Pairs up the rollup groups with the column added by ROLLUPADDISSUBTOTAL. FIND: Returns the starting position of one text string within another text string. FIND is case-sensitive and accent-sensitive. EXACT: Checks whether two text strings are exactly the same, and returns TRUE or FALSE. EXACT is case-sensitive. SUMMARIZE: Creates a summary of the input table grouped by the specified columns. We are proud to announce great news for FIXED: Rounds a number to the specified number of decimals and returns the result as text with optional commas. The logical and operator && returns TRUE if both arguments are TRUE, and returns FALSE if any of the arguments is FALSE. CALCULATE: Evaluates an expression in a context modified by filters. SUBSTITUTEWITHINDEX: Returns a table which represents the semijoin of two tables supplied and for which the common set of ... UNION: Returns the union of the tables whose columns match. ISINSCOPE: Returns true when the specified column is the level in a hierarchy of levels.